Update actions/setup-dotnet action to v3 (#330)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -66,7 +66,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
     - name: Setup dotnet SDK
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: |
           6.0.x