add workflow to ask reviews

.github/workflows/ask_dependabot_pr_review.yml

@@ -0,0 +1,41 @@
+---
+    name: "Add reviewers and ask review for dependabot PR"
+
+    on:
+      pull_request:
+        types: [opened, synchronize, reopened]
+        branches:
+          - main
+          - "[0-9]+.[0-9]+.x"
+      pull_request_review_comment:
+        types: [created, deleted]
+
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    permissions: {}
+    jobs:
+       add_reviewers:
+        runs-on: ubuntu-latest
+        permissions:
+          pull-requests: write
+        steps:
+          - name: Checkout repository
+            uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+            with:
+              persist-credentials: false
+
+          - name: Setup python
+            uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
+            with:
+              python-version-file: .python-version
+              cache: 'pip'
+              cache-dependency-path: '**/requirements*.txt'
+
+          - name: Install dependencies
+            run: pip install -r requirements.txt -r tasks/requirements.txt
+
+          - name: Check code review complexity
+            env:
+              PR_NUMBER: ${{ github.event.pull_request.number }}
+            run: inv -e issue.add-reviewers -p $PR_NUMBER