Apply the migration script

Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>

Author: llucax

.github/workflows/auto-dependabot.yaml

@@ -4,18 +4,25 @@ on:
   pull_request:
 
 permissions:
-  contents: write
+  contents: read
   pull-requests: write
 
 jobs:
   auto-merge:
     if: github.actor == 'dependabot[bot]'
     runs-on: ubuntu-slim
     steps:
+      - name: Generate GitHub App token
+        id: app-token
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
+        with:
+          app-id: ${{ secrets.FREQUENZ_AUTO_DEPENDABOT_APP_ID }}
+          private-key: ${{ secrets.FREQUENZ_AUTO_DEPENDABOT_APP_PRIVATE_KEY }}
+
       - name: Auto-merge Dependabot PR
         uses: frequenz-floss/dependabot-auto-approve@3cad5f42e79296505473325ac6636be897c8b8a1 # v1.3.2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          github-token: ${{ steps.app-token.outputs.token }}
           dependency-type: 'all'
           auto-merge: 'true'
           merge-method: 'merge'