Visual Studio for Mac v2.8.0.20-vsm17.6

What's Changed

• Add arm64 installation target by @PaddiM8 in #3026
• VSMac 17.6 / .Net 7 by @nosami in #3039
• Highlight current line number the same way as vanilla vsmac by @nosami in #3018

New Contributors

• @PaddiM8 made their first contribution in #3026

Full Changelog: v2.8.0.19-vsm17.3...v2.8.0.20-vsm17.6