Update dotnet.yml

Author: pwelter34

.github/workflows/dotnet.yml

@@ -23,6 +23,10 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: read
+      checks: write
 
     steps:
       - name: Checkout
@@ -67,6 +71,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     if: success() && github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v'))
+    permissions:
+      contents: read
+      packages: write
 
     steps:
       - name: Download Artifact