update pipeline to use .net 6.0

Author: smokedlinq

.github/workflows/ci.yml

@@ -21,10 +21,10 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Setup .NET Core 5.x
+    - name: Setup .NET Core 6.0.x
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.x
+        dotnet-version: 6.0.x
 
     - name: Build
       run: dotnet build --configuration Release

.github/workflows/publish.yml

@@ -16,10 +16,10 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Setup .NET Core 5.x
+    - name: Setup .NET Core 6.0.x
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.x
+        dotnet-version: 6.0.x
 
     - name: Build and publish
       shell: pwsh