Updated CI workflow permissions

Author: Thierry Boileau

.github/workflows/build.yaml

@@ -15,6 +15,9 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ env.JAVA_VERSION }}