Fix path separator for NuGet push command

Author: 304NotModified

.github/workflows/nuget.yml

@@ -89,4 +89,4 @@ jobs:
       - name: Push to NuGet.org
         if: github.ref == 'refs/heads/master'
         shell: pwsh
-        run: dotnet nuget push artifacts/*.nupkg --api-key ${{ steps.login.outputs.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        run: dotnet nuget push artifacts\*.nupkg --api-key ${{ steps.login.outputs.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate