Add metal variant for MAC_ARM64 platform for jdk 25

Add metal variant to SDK configuration for jdk 21

Merge branch 'master' into develop

Update 2-finalize-release-jdk21.yml

Simplify tag reference in GitHub Actions workflow

Update release tagging for JDK21 versioning

Bump version to 4.0.1-dev for development

Merge pull request #820 from beehive-lab/release/4.0.0

Prepare release 4.0.0

Merge pull request #819 from beehive-lab/develop

Merge pull request #817 from stratika/fix/816

Merge pull request #818 from stratika/feat/build-metal-macos26

[fix] Make cmake to always set CMAKE_OSX_SYSROOT explicitly, making it pass -isysroot to the compiler regardless of Xcode's environment state.

Merge pull request #813 from beehive-lab/feature/ptx-simd-shuffle

[feat] Add PTX SIMD shuffle operations for improved performance