Update dotnet-desktop.yml

Author: michaelbeale-IL

.github/workflows/dotnet-desktop.yml

@@ -7,6 +7,9 @@ on:
     branches: [ "master" ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
 
   build:
@@ -17,7 +20,6 @@ jobs:
 
     runs-on: windows-latest  # For a list of available runner types, refer to
                              # https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idruns-on
-
     steps:
     - name: Checkout
       uses: actions/checkout@v4