chore: update workflows from templates

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

.github/workflows/fixup.yml

@@ -3,15 +3,23 @@
 # https://github.com/nextcloud/.github
 # https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
 
-name: Pull request checks
+name: Block fixup and squash commits
 
-on: pull_request
+on:
+  pull_request:
+    types: [opened, ready_for_review, reopened, synchronize]
 
 permissions:
   contents: read
 
+concurrency:
+  group: fixup-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   commit-message-check:
+    if: github.event.pull_request.draft == false
+
     permissions:
       pull-requests: write
     name: Block fixup and squash commits
@@ -20,6 +28,6 @@ jobs:
 
     steps:
       - name: Run check
-        uses: xt0rted/block-autosquash-commits-action@v2
+        uses: xt0rted/block-autosquash-commits-action@79880c36b4811fe549cfffe20233df88876024e7 # v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}