Try changing the permissions

Author: a-maurice

.github/workflows/update-dependencies.yml

@@ -21,6 +21,8 @@ on:
         description: 'optional comment to add to PR'
         default: ''
 
+permissions: write-all
+
 env:
   branchPrefix: "workflow/auto-update-deps-"
   triggerTestsLabel: "tests-requested: quick"
@@ -216,7 +218,7 @@ jobs:
             # Push branch
             git push --set-upstream origin "${NEW_BRANCH}"
             # Create pull request
-            pr_number=$(python scripts/gha/create_pull_request.py --token ${{ steps.generate-token.outputs.token }} --head "${NEW_BRANCH}" --base "${{ github.event.inputs.baseBranch }}" --title "${commit_title}" --body "${commit_body}")
+            pr_number=$(python scripts/gha/create_pull_request.py --token ${{ secrets.GITHUB_TOKEN }} --head "${NEW_BRANCH}" --base "${{ github.event.inputs.baseBranch }}" --title "${commit_title}" --body "${commit_body}")
             echo "created_pr_number=${pr_number}" >> $GITHUB_OUTPUT
           else
             echo "::warning ::No changes detected, won't create pull request."