chore: update linter workflow .NET version

Author: andrewbabbittdev

.github/workflows/lint-code.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Set up .NET
         uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: "6.0.101"
+          dotnet-version: "6.0.x"
 
       - name: Run linters
         uses: wearerequired/lint-action@v2