Update coverage.yml (#661)

Resolving OpenSSF Token Permission issue.

Author: sfblackl-intel

.github/workflows/coverage.yml

@@ -7,12 +7,14 @@ on:
   workflow_dispatch:
 
 permissions:
-  contents: write
+  contents: read
 
 jobs:
   coverage:
     name: Code Coverage
     timeout-minutes: 60
+    permissions:
+      contents: write
     runs-on: ${{ github.repository_owner == 'intel' && 'intel-ubuntu-latest' || 'ubuntu-latest' }}
     steps:
       - name: Checkout