ci(release-schedule): readd content read permission

Author: dargmuesli

.github/workflows/release-schedule.yml

@@ -9,6 +9,8 @@ jobs:
   release-schedule:
     name: 'Release: Scheduled'
     uses: dargmuesli/github-actions/.github/workflows/release-schedule.yml@714a68188444d710ffa3e9f35a05f6a9d420931d # 3.2.0
+    permissions:
+      contents: read
     secrets:
       PERSONAL_ACCESS_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
     with: