Add linter workflow

.github/workflows/lint-code.yml

@@ -0,0 +1,24 @@
+name: Run and Apply Linter
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: [ master ]
+jobs:
+  run-and-apply:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 1
+    steps:
+      - name: Checkout main branch
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+      - name: Permission workaround
+        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Run linter
+        run: tox -e lint
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          message: 'Commit automated linter changes'
+          add: '.'

.github/workflows/obo-test.yml

@@ -20,14 +20,6 @@ jobs:
       - name: Install requirements
         run: |
           python3 -m pip install -r requirements.txt
-      - name: Run linter
-        run: |
-          tox -e lint
-      - name: Commit linter changes
-        uses: EndBug/add-and-commit@v9
-        with:
-          message: 'Apply linter changes'
-          add: '.'
       - name: Run tests
         run: |
           make test