Bump actions/setup-dotnet from 3.0.2 to 3.0.3

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v3.0.2...v3.0.3)

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

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

.github/workflows/dotnet.yml

@@ -30,7 +30,7 @@ jobs:
         echo "Version: ${{ steps.gitversion.outputs.SemVer }}"
         echo "CommitsSinceVersionSource: ${{ steps.gitversion.outputs.CommitsSinceVersionSource }}"
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v3.0.2
+      uses: actions/setup-dotnet@v3.0.3
       with:
         dotnet-version: 6.0.x
     - name: Run automated tests