chore(ci): fix actions permission

Author: xmatthias

.github/workflows/ci.yml

@@ -593,5 +593,7 @@ jobs:
   packages-cleanup:
     name: "Docker Package Cleanup"
     uses: ./.github/workflows/packages-cleanup.yml
+    permissions:
+      packages: write
     with:
       package_name: 'freqtrade'

.github/workflows/packages-cleanup.yml

@@ -25,9 +25,6 @@ on:
         default: true
         type: boolean
 
-permissions:
-  contents: read
-
 env:
   PACKAGE_NAME: "freqtrade"