.NET 9.0.0

Release

What's Changed

• Requires tactics approval - Fix17773 - cherry pick optimized equals bug fixes to 8.0.4* by @KevinRansom in #17783
• Switch to new VMR control set (#17703) (port from main) by @mmitche in #17788
• [release/dev17.12] Respect generic arity in method uniqueness by @github-actions in #17805
• [17.12] Turn off realsig when building product and proto by @vzarytovskii in #17808
• Merge release/dev17.11 to release/dev17.12 by @dotnet-bot in #17784
• Revert PR - Make the interaction between #line and #nowarn directives consistent by @KevinRansom in #17859
• Tactics approval Required: cherry pick -- compile order changes by @KevinRansom in #17907

Full Changelog: v12.9.100-beta.24466.6...v12.9.100-beta.24522.2