Bump openjp2 to v2.5.3

This should quiet some fuzzer bugs

invSqrt SIMD_SCALABLE implementation & HAL tests refactoring #26887

Enable CV_SIMD_SCALABLE for invSqrt.

* Banana Pi BF3 (SpacemiT K1) RISC-V
* Compiler: Syntacore Clang 18.1.4 (build 2024.12)

```
Geometric mean (ms)

                Name of Test                  baseline   simd      simd   
                                                       scalable  scalable
                                                                    vs
                                                                 baseline
                                                                (x-factor)
InvSqrtf::InvSqrtfFixture::(127x61, 32FC1)     0.163    0.051      3.23   
InvSqrtf::InvSqrtfFixture::(127x61, 64FC1)     0.241    0.103      2.35   
InvSqrtf::InvSqrtfFixture::(640x480, 32FC1)    6.460    1.893      3.41   
InvSqrtf::InvSqrtfFixture::(640x480, 64FC1)    9.687    3.999      2.42   
InvSqrtf::InvSqrtfFixture::(1280x720, 32FC1)   19.292   5.701      3.38   
InvSq...

replace tostring() with tobytes()

Removed Android test as it's broken for now

Squeeze several Windows pipelines into one with jobs

Migrate remaning OpenVX integrations to OpenVX HAL (imgproc)

fix minor issues in calib3d Docs

Fix assertion in cv2.sampsonDistance 

Covered functions:
- medianBlur
- Sobel
- Canny
- pyrDown
- BoxFilter
- equalizeHist
- GaussianBlur
- remap
- threshold

Migrate remaning OpenVX integrations to OpenVX HAL (features2d)

Added trackers factory with pre-loaded dnn models #26875

Replaces https://github.com/opencv/opencv/pull/26295

Allows to substitute custom models or initialize tracker from in-memory model.

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [ ] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

Update optical_flow.cpp

RISC-V: error message in the toolchain file when compiler is not found

Migrate remaning OpenVX integrations to OpenVX HAL (core) #26903

Tested with OpenVX 1.2 & 1.3 sample implementation.

Steps to build and test:
```
git clone git@github.com:KhronosGroup/OpenVX-sample-impl.git
cd OpenVX-sample-impl
python3 Build.py --os=Linux --conf=Release
cd ..
mkdir build
cmake -DWITH_OPENVX=ON -DOPENVX_ROOT=/mnt/Projects/Projects/OpenVX-sample-impl/install/Linux/x64/Release/ ../opencv
make -j8
```

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [ ] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

cmake/OpenCVDetectCUDAUtils.cmake: use IN_LIST to avoid regex matching valid capabilities

Switch to static instance of FastCV

Resolves #26913
Related(?): #25715 #26832

Use HAL for cv::mean function too

Fix _DEBUG/NDEBUG handling across modules 

[HAL] split8u RVV 1.0 #26884

### Pull Request Readiness Checklist
* Banana Pi BF3 (SpacemiT K1)
* Compiler: Syntacore Clang 18.1.4 (build 2024.12)
```
Geometric mean (ms)

                  Name of Test                   baseline  hal      hal
                                                    ui               vs
                                                                  baseline 
                                                                     ui
                                                                 (x-factor)
split::Size_Depth_Channels::(127x61, 8UC1, 2)     0.012   0.004     3.12   
split::Size_Depth_Channels::(127x61, 8UC1, 3)     0.019   0.006     2.91   
split::Size_Depth_Channels::(127x61, 8UC1, 4)     0.028   0.011     2.64   
split::Size_Depth_Channels::(127x61, 8UC1, 5)     0.067   0.033     2.02   
split::Size_Depth_Channels::(127x61, 8UC1, 6)     0.084   0.040     2.11   
split::Size_Depth_Channels::(127x61, 8UC1, 7)     0.103   0.055     1.88   
split::Size_Depth_Channels::(127x61, 8UC1, 8)     0.113   0.032     3.50   
split::Size_Depth_Channels::(640x480, 8UC1, 2)    0.454   0.179     2.54   
split::Size_Depth_Channels::(640x480, 8UC1, 3)    0.677   0.298     2.27   
split::Size_Depth_Channels::(640x480, 8UC1, 4)    0.901   0.410     2.20   
split::Size_Depth_Channels::(640x480, 8UC1, 5)    3.781   3.010     1.26   
split::Size_Depth_Channels::(640x480, 8UC1, 6)    4.886   4.009     1.22   
split::Size_Depth_Channels::(640x480, 8UC1, 7)    5.777   4.770     1.21   
split::Size_Depth_Channels::(640x480, 8UC1, 8)    4.596   1.330     3.46   
split::Size_Depth_Channels::(1280x720, 8UC1, 2)   1.377   0.709     1.94   
split::Size_Depth_Channels::(1280x720, 8UC1, 3)   2.091   1.034     2.02   
split::Size_Depth_Channels::(1280x720, 8UC1, 4)   2.744   1.573     1.74   
split::Size_Depth_Channels::(1280x720, 8UC1, 5)   9.542   6.284     1.52   
split::Size_Depth_Channels::(1280x720, 8UC1, 6)   11.114  7.850     1.42   
split::Size_Depth_Channels::(1280x720, 8UC1, 7)   14.083  11.879    1.19   
split::Size_Depth_Channels::(1280x720, 8UC1, 8)   13.524  3.865     3.50   
split::Size_Depth_Channels::(1920x1080, 8UC1, 2)  3.108   1.395     2.23   
split::Size_Depth_Channels::(1920x1080, 8UC1, 3)  4.659   2.128     2.19   
split::Size_Depth_Channels::(1920x1080, 8UC1, 4)  6.127   2.818     2.17   
split::Size_Depth_Channels::(1920x1080, 8UC1, 5)  26.733  16.625    1.61   
split::Size_Depth_Channels::(1920x1080, 8UC1, 6)  31.242  22.414    1.39   
split::Size_Depth_Channels::(1920x1080, 8UC1, 7)  35.968  27.658    1.30   
split::Size_Depth_Channels::(1920x1080, 8UC1, 8)  29.997  8.655     3.47
```
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake

ref: push_back is changed to emplace_back in order to avoid unnecessary conversions [Scalar(r, g, b))] .

fix hal_replacement typos

Refactor test for FileStorage Base64

imgcodecs: tiff: refactor Imgcodecs_Tiff_decode_Huge test

fix wrong python type hints for imread