Bump actions/setup-dotnet

Bumps the pipelineenv group in /.github/actions/setup-env with 1 update: [actions/setup-dotnet](https://github.com/actions/setup-dotnet).


Updates `actions/setup-dotnet` from 4 to 5
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: pipelineenv
...

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

Author: dependabot[bot]

.github/actions/setup-env/action.yml

@@ -5,7 +5,7 @@ runs:
   using: composite
   steps:
     - name: Setup .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '10.0.x'