Remove unused attribute

This was an unintended addition.

Fixes devlooped#1513

⬆️ Bump files with dotnet-file sync

# devlooped/oss

- Set working directory for nuget push devlooped/oss@fcfc66a

⬆️ Bump files with dotnet-file sync

+Mᐁ includes

Remove SponsorLink since it breaks MacOS restore

Fixes devlooped#1371

+Mᐁ includes

Bump Microsoft.NET.Test.Sdk from 17.6.3 to 17.7.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.3 to 17.7.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.7.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Add 💜 SponsorLink support

See https://www.cazzulino.com/sponsorlink.html

+Mᐁ includes

Bump the extensions group with 1 update

Bumps the extensions group with 1 update: [Microsoft.Extensions.Logging.Abstractions](https://github.com/dotnet/runtime).

- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v7.0.1)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Logging.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: extensions
...

Signed-off-by: dependabot[bot] <support@github.com>