Elevate permissions to write packages for release-serverless-init.yml (#526)

* update permissions to write for packages for release-serverless-init.yml

* update permissions to write ONLY for packages

Author: nina9753

.github/workflows/release-serverless-init.yml

@@ -35,6 +35,8 @@ env:
 jobs:
   release-serverless-init:
     runs-on: ubuntu-22.04
+    permissions:
+      packages: write
     strategy:
       matrix:
         arrays: [