Refs #33476 -- Added GitHub action to run black linter.

.github/workflows/linters.yml

@@ -43,3 +43,19 @@ jobs:
         with:
           linters: isort
           run: isort --check --diff django tests scripts
+
+  black:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+      - run: python -m pip install black
+      - name: black
+        uses: liskin/gh-problem-matcher-wrap@v1
+        with:
+          linters: black
+          run: black --check --diff .