v3.12.0
:bookmark: set version to 3.12.0
Make std::filesystem::path conversion to/from UTF-8 encoded string explicit (#4631)
:arrow_up: Bump github/codeql-action from 3.28.13 to 3.28.14 (#4726)
Update CODEOWNERS (#4126)
Clean up and document project files (#4560)
Add labeler action (#3671)