Use pre-commit/action

.github/workflows/lint.yml

@@ -2,39 +2,11 @@ name: Lint
 
 on: [push, pull_request]
 
-env:
-  FORCE_COLOR: 1
-
 jobs:
   build:
     runs-on: ubuntu-20.04
 
     steps:
       - uses: actions/checkout@v2
-
+      - uses: actions/setup-python@v2
-      - name: Cache
+      - uses: pre-commit/action@v2.0.0
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cache/pip
-            ~/.cache/pre-commit
-          key:
-            lint-v2-${{ hashFiles('**/setup.py') }}-${{
-            hashFiles('**/.pre-commit-config.yaml') }}
-          restore-keys: |
-            lint-v2-
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.8
-
-      - name: Install dependencies
-        run: |
-          python -m pip install -U pip
-          python -m pip install -U tox
-
-      - name: Lint
-        run: tox -e lint
-        env:
-          PRE_COMMIT_COLOR: always