add pre-commit autoupdate workflow

Author: ndgrigorian

.github/workflows/pre-commit-autoupdate.yml

@@ -0,0 +1,49 @@
+name: Autoupdate pre-commit
+
+on:
+  workflow_dispatch:
+  # To guarantee Maintained check is occasionally updated. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
+  schedule:
+    - cron: '28 2 * * 6' # Saturday at 02:28 UTC
+
+permissions: read-all
+
+jobs:
+  autoupdate:
+    name: Autoupdate
+
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    permissions:
+      # Needed to create a PR with autoupdate changes
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Checkout mkl_random repo
+        uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v4.2.2
+
+      - name: Set up python
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v5.6.0
+        with:
+          python-version: '3.13'
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - name: Run pre-commit autoupdate
+        run: pre-commit autoupdate
+
+      - name: Create a PR with autoupdate changes
+        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 #v8.1.0
+        with:
+          commit-message: 'chore: update pre-commit hooks'
+          add-paths: .pre-commit-config.yaml
+          branch: 'bot/pre-commit-autoupdate'
+          delete-branch: true
+          title: Weekly pre-commit autoupdate
+          body: |
+            This PR updates the `.pre-commit-config.yaml` using `pre-commit autoupdate`.
+          labels: autoupdate