feat: add matrix type stubs generation

Adds missing typing stubs:

- Matrix depths: `CV_8U`, `CV_8S` and etc.
- Matrix type constants: `CV_8UC1`, `CV_32FC3` and etc.
- Matrix type factory functions: `CV_*(channels) -> int` and `CV_MAKETYPE`

fix: typing stubs overload presence check

videoio: test for V4L using virtual device

Fix compiler warnings for GCC 11-12 and Clang 13

Add missing properties to error class

videoio: fix CAP_IMAGES with non-numbered file

Disable finite-math-only option with ENABLE_FAST_MATH=1 case to handle NaN and Inf checks correctly

Disable finite-math-only option with ENABLE_FAST_MATH=1 case to handle NaN and Inf checks correctly.

removed trailing semicolon after function

It gives error when building projects with -Wpedantic -Werror

error: extra ‘;’ [-Werror=pedantic]

Issue ##23916

Add single image support to VideoCapture

videoio: tests for CAP_IMAGES

use CPACK_PACKAGE_VERSION instead of OPENCV_VCSVERSION for CPACK_PACKAGE_FILE_NAME

use CPACK_PACKAGE_VERSION instead of OPENCV_VCSVERSION for CPACK_PACKAGE_FILE_NAME so that OPENCV_CUSTOM_PACKAGE_INFO actually has full effect

Fix compilation when HAVE_QUIRC is not set.

Update PRs & Issue templates to exclude 3.4 from active development

Fixing typos in usac #23900

Just read and correct some typos in `usac`
### 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
- [ ] 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

One variable is unknown while the other one is unused.
Fixed build warnings.

removing duplicated statement

G-API: Fix async inference for OpenVINO backend #23884

### Pull Request Readiness Checklist

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

- [ ] I agree to contribute to the project under Apache 2 License.
- [ ] 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

Reworked calibrate.py

- Fixed width and height swap in board size
- Fixed defaults in command line hint
- Fixed board visualization for Charuco case
- Used matchImagePoints method to handle partially detected Charuco boards

dnn: disable warning when loading a fp16 model #23853

### 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
- [ ] 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

G-API: Apply ov::Core lifetime WA for OpenVINO Backend

dnn: fix overflow in sigmoid layer for 3.4

Get rid of unsafe raw pointers to Mat object in USAC