(maint): Bump actions/setup-dotnet from 3.0.3 to 3.1.0 (#128)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v3.0.3...v3.1.0)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/build.yml

@@ -48,7 +48,7 @@ jobs:
         run: git fetch --prune --unshallow
 
       - name: Install .NET SDK
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v3.1.0
         with:          
           # gitversion needs 5.0 and we need all SDKs the project is targeting
           dotnet-version: |