Update publish.yml (#466)

Author: ardalis

.github/workflows/publish.yml

@@ -15,10 +15,13 @@ jobs:
 
       # Required for a specific dotnet version that doesn't come with ubuntu-latest / windows-latest
       # Visit bit.ly/2synnZl to see the list of SDKs that are pre-installed with ubuntu-latest / windows-latest
-      - name: Setup dotnet
-        uses: actions/setup-dotnet@v1
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: 7.0.x
+            dotnet-version: |
+              6.0.x
+              7.0.x
+              8.0.x
       
       # Publish
       - name: publish on version change