chore: update workflows from templates

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

.github/workflows/dependabot-approve-merge.yml

@@ -15,22 +15,26 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: dependabot-approve-merge-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   auto-approve-merge:
     if: github.actor == 'dependabot[bot]'
     runs-on: ubuntu-latest
     permissions:
       # for hmarr/auto-approve-action to approve PRs
-      pull-requests: write 
+      pull-requests: write
 
     steps:
       # Github actions bot approve
-      - uses: hmarr/auto-approve-action@v2
+      - uses: hmarr/auto-approve-action@b40d6c9ed2fa10c9a2749eca7eb004418a705501 # v2
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
       # Nextcloud bot approve and merge request
-      - uses: ahmadnassri/action-dependabot-auto-merge@v2
+      - uses: ahmadnassri/action-dependabot-auto-merge@45fc124d949b19b6b8bf6645b6c9d55f4f9ac61a # v2
         with:
           target: minor
           github-token: ${{ secrets.DEPENDABOT_AUTOMERGE_TOKEN }}