fix publish build

Author: TheAngryByrd

.github/workflows/publish.yml

@@ -24,6 +24,9 @@ jobs:
         uses: actions/setup-dotnet@v2
         with:
           global-json-file: global.json
+          dotnet-version: |
+            8.x
+            9.x
 
       - name: Restore tools
         run: dotnet tool restore