add gnu Windows/iOS/Android builds and improve continuous delivery wo…

…rkflow (#405)

* Improve continuous delivery

- Upgrade Upload and Download Actions to v4
- Simplify existing builds using a matrix strategy
- Add Windows x64 GNU build configuration
- Add iOS build configuration
- Add Android build configuration

* cleanup

* erratum - wrong macos archive name

* Update the documentation at the top to accurately reflect the current jobs configuration.

* Upgrade Android NDK to version 27.0.12077973 

Updated the Android NDK version from 25.2.9519653 to 27.0.12077973 across all target architectures in the GitHub Actions CI/CD pipeline. This change ensures compatibility with the latest NDK features and improvements. The `LIBCLANG_PATH` environment variable was also removed as it was no longer being utilized.