Update publish.yml

Author: Masusder

.github/workflows/publish.yml

@@ -45,10 +45,12 @@ jobs:
         run: |
           dotnet nuget push ./nupkg/*.nupkg \
             --api-key ${{ steps.login.outputs.NUGET_API_KEY }} \
-            --source https://api.nuget.org/v3/index.json
+            --source https://api.nuget.org/v3/index.json \
+            --skip-duplicate
 
       - name: Publish to GitHub Packages
         run: |
           dotnet nuget push ./nupkg/*.nupkg \
             --api-key ${{ secrets.GITHUB_TOKEN }} \
-            --source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json"
+            --source "https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json" \
+            --skip-duplicate