Update actions/setup-dotnet action to v2.1.0

Author: renovate-bot

.github/workflows/ci.yml

@@ -94,11 +94,11 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-nuget-
       - name: 🔨 Use .NET Core 3.1 SDK
-        uses: actions/setup-dotnet@v2.0.0
+        uses: actions/setup-dotnet@v2.1.0
         with:
           dotnet-version: '3.1.x'
       - name: 🔨 Use .NET Core 6.0 SDK
-        uses: actions/setup-dotnet@v2.0.0
+        uses: actions/setup-dotnet@v2.1.0
         with:
           dotnet-version: '6.0.x'
       - name: 🎁 dotnet tool restore