Automaticlly updating pre-commits (#220)

.github/workflows/maintenance.yaml

@@ -16,3 +16,20 @@ jobs:
       with:
         package_name: ${{ github.event.repository.name }}/${{ matrix.name }}
         token: ${{ secrets.GITHUB_TOKEN }}
+
+  auto-update:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: actions/setup-python@v2
+
+    - uses: browniebroke/pre-commit-autoupdate-action@main
+
+    - uses: peter-evans/create-pull-request@v3
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        branch: update/pre-commit-hooks
+        title: Update pre-commit hooks
+        commit-message: 'chore: update pre-commit hooks'
+        body: Update versions of pre-commit hooks to latest version.