Update test.yml

Author: ajrice6713

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2022, windows-2019, ubuntu-20.04, ubuntu-22.04]
-        dotnet: ["6.0", "7.0"]
+        dotnet: [6.0, 7.0]
     steps:
       - name: Checkout repo
         uses: actions/checkout@v3