Release .NET 9.0.20 · dotnet/aspnetcore

What's Changed

[release/9.0] Update branding to 9.0.20 by @dotnet-bot in #68236
[release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #67897
[release/9.0] Backport FormsInputDateTest fixes by @ilonatommy in #68126
[release/9.0] (deps): Bump src/submodules/googletest from 3064a60 to 3940de9 by @dependabot[bot] in #68172
[release/9.0] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #68188
[release/9.0] Quarantine System_UsesProvidedCertificateNotFromStore by @wtgodbe in #68243
[release/9.0] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #68245
[release/9.0] Update RepoTasksSystemSecurityCryptographyXmlVersion to 8.0.4 by @wtgodbe in #68231
[9.0] Fix Debian package descriptions by @wtgodbe in #68256
Remove Publish-Build-Assets variable group from release/9.0 by @missymessa in #68266
[release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #68308
[release/9.0] Drop Microsoft.AspNetCore.Grpc.Swagger by @Youssef1313 with @Copilot in #67954
Merging internal commits for release/9.0 by @dotnet-bot in #68362
[release/9.0] Update OpenAPI to latest by @Youssef1313 in #68492

Full Changelog: v9.0.19...v9.0.20