use .net6 built-in format

.github/workflows/ci.yml

@@ -35,7 +35,6 @@ jobs:
           
       - name: Install .NET tools
         run: |
-          dotnet tool install -g dotnet-format
           dotnet tool install -g dotnet-sonarscanner -v:m
 
       - name: Add .NET tools to PATH
@@ -47,6 +46,9 @@ jobs:
       - name: Restore dependencies
         run: dotnet restore
 
+      - name: Run code formatting check
+        run: dotnet format --check
+
       - name: Patch csproj files with version
         run: |
           find . -name '*.csproj' -exec sed -i 's/<Version>.*<\/Version>/<Version>${{ steps.gitversion.outputs.nugetversion }}<\/Version>/g' {} +