Update actions/checkout action to v3

Author: renovate[bot]

.github/workflows/pre-commit.yml

@@ -10,7 +10,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
         python-version: '3.x'