Fixed a typo in `documentation.yml` and `feature_request.yml` #23538
### 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
- N/A There is a reference to the original bug report and related work
- N/A There is accuracy test, performance test and test data in opencv_extra repository, if applicable
Patch to opencv_extra has the same branch name.
- N/A The feature is well documented and sample code can be built with the project CMake
Added workflow for Github Actions to build and test OpenCV on Windows for 3.4 branch
* Added workflow for Github Actions to build and test OpenCV on Windows
* Updated Github Actions for 3.4 branch on Windows using self-hosted runner
* Fixed url for a fork in Windows workflow (3.4 branch)
* opencv_extra fork usage in Github Actions
Added workflow for Github Actions to build and test OpenCV on Linux for 4.x
* Added workflow for Github Actions to build and test OpenCV
* Merged a build and tests jobs into one, split tests by steps, renamed job names
Added workflow for Github Actions to build and test OpenCV on Linux
* Added workflow for Github Actions to build and test OpenCV
* Merged a build and tests in one job, changed naming
* Renamed job names, split workflows by branch, removed and added some cmake flags, save unit tests results as a html file
* Split tests by steps, removed workflows for 4.x and 5.x branches
CI for TIM-VX backend
* github actions for TIM-VX backend https://github.com/opencv/opencv/pull/21036
* add reference to yuentau/ocv_ubuntu:20.04; remove extra quotes; enable BUILD_TESTS
* rename to timvx_backend_tests.yml
* add image source prefix
* remove if condition for x86_64 simulator
