Add workflow for updating stubs

Author: henribru

.github/workflows/create_updated_stubs_pr.yml

@@ -0,0 +1,56 @@
+name: Create updated stubs PR
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * 0' # every Sunday at midnight
+
+jobs:
+  create_pr:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v2
+        with:
+          enable-cache: true
+
+      - name: Install dependencies
+        run: uv sync
+
+      - name: Update stubs
+        run: uv run python create_stubs.py
+
+      - name: Detect changes
+        id: changes
+        run: |
+          if git diff --quiet; then
+            echo "has_changes=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "has_changes=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Bump minor version in pyproject.toml
+        if: steps.changes.outputs.has_changes == 'true'
+        run: uv version --bump minor
+
+      - name: Create pull request
+        if: steps.changes.outputs.has_changes == 'true'
+        uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: Update stubs
+          author: henribru <6639509+henribru@users.noreply.github.com>
+          committer: henribru <6639509+henribru@users.noreply.github.com>
+          branch: create-updated-stubs-pr
+          delete-branch: true
+          title: Update stubs
+          body: Update stubs
+
+