Bump actions/setup-dotnet from 4 to 5 (#346)

Bumps [actions/setup-dotnet](https://github.com/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
...

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

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v5
 
     - name: Set up .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
 
     - name: Restore
       run: dotnet restore