Merge pull request #25899 from vrabaud:move_no_except

Mark cv::Mat(Mat&&) as noexcept #25899

This fixes https://github.com/opencv/opencv/issues/25065

### 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
- [x] The PR is proposed to the proper branch
- [x] 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

modules/core/src/matrix.cpp

@@ -595,7 +595,7 @@ size_t Mat::total(int startDim, int endDim) const
 }
 
 
-Mat::Mat(Mat&& m)
+Mat::Mat(Mat&& m) CV_NOEXCEPT
     : flags(m.flags), dims(m.dims), rows(m.rows), cols(m.cols), data(m.data),
       datastart(m.datastart), dataend(m.dataend), datalimit(m.datalimit), allocator(m.allocator),
       u(m.u), size(&rows)