Bump nuget/setup-nuget from 1 to 2 (#2845)

Bumps [nuget/setup-nuget](https://github.com/nuget/setup-nuget) from 1 to 2.
- [Release notes](https://github.com/nuget/setup-nuget/releases)
- [Commits](https://github.com/nuget/setup-nuget/compare/v1...v2)

---
updated-dependencies:
- dependency-name: nuget/setup-nuget
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/nightly.yml

@@ -34,7 +34,7 @@ jobs:
             6.0.x
             7.0.x
 
-    - uses: nuget/setup-nuget@v1
+    - uses: nuget/setup-nuget@v2
       with:
         nuget-version: 'latest'