Update aspnetcore.yml

Author: codebytes

.github/workflows/aspnetcore.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '5.0.x'
+        dotnet-version: '6.0.x'
     - name: Install dependencies
       run: dotnet restore
     - name: Build