build: Updating workflow commitlint.yml.

The .github/workflows/commitlint.yml workflow is missing or needs an update to stay in
sync with the current standard for this workflow as defined in the
`.github` repo of the `openedx` GitHub org.

Author: feanil

.github/workflows/commitlint.yml

@@ -7,11 +7,4 @@ on:
 
 jobs:
   commitlint:
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Check out repository
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Check commits
-        uses: wagoid/commitlint-github-action@v5
+    uses: openedx/.github/.github/workflows/commitlint.yml@master