Adds Arm64 VS Extension support

[snickler]

Updates VSSDK.BuildTools to 17.4. Adds Arm64 to ProjectPlatformTarget / ProcessorArchitectureSetting enums. Adds Arm64 extension targeting in VSIXManifest. This enables the use of this extension on Visual Studio 2022 17.4+ Arm64.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue).
• [X] New feature (non-breaking change which adds functionality).
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
• [ ] Performance improvement
• [ ] Refactoring (so no functional change)
• [ ] Other (docs, build config, etc)

Checklist:

• [ ] I've added tests for my code. (most of the time mandatory)
• [X] I have added an entry to the changelog. (mandatory)
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

Screenshots:

[SabotageAndi]

Awesome!