Add a linter for Actions workflow files (#17265)

* Add a linter for Actions workflow files

* Actually add the workflow file, duh

Author: JamesMGreene

.github/allowed-actions.js

@@ -13,6 +13,7 @@ module.exports = [
   'actions/stale@af4072615903a8b031f986d25b1ae3bf45ec44d4', //actions/stale@v3.0.13
   'crowdin/github-action@fd9429dd63d6c0f8a8cb4b93ad8076990bd6e688',
   'crykn/copy_folder_to_another_repo_action@abc264e1c16eb3d7b1f7763bfdb0e1699ad43120',
+  'cschleiden/actions-linter@43fd4e08e52ed40c0e2782dc2425694388851576',
   'dawidd6/action-delete-branch@47743101a121ad657031e6704086271ca81b1911',
   'docker://chinthakagodawita/autoupdate-action:v1',
   'fkirc/skip-duplicate-actions@36feb0d8d062137530c2e00bd278d138fe191289',

.github/workflows/workflow-lint.yml

@@ -0,0 +1,22 @@
+name: Lint workflows
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches-ignore:
+      - translations
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
+
+      - name: Run linter
+        uses: cschleiden/actions-linter@43fd4e08e52ed40c0e2782dc2425694388851576
+        with:
+          workflows: '[".github/workflows/*.yml"]'