ci: add workflow to regenerate async-upload requirements.txt for Dependabot PRs

.github/workflows/dependabot-async-upload-regen.yml

@@ -0,0 +1,40 @@
+name: Regenerate async-upload requirements.txt
+
+on:
+  pull_request:
+    paths:
+      - "jobs/async-upload/poetry.lock"
+
+permissions:
+  contents: write
+
+jobs:
+  regenerate:
+    if: github.actor == 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: jobs/async-upload
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
+        with:
+          python-version: "3.11"
+
+      - name: Install Poetry
+        run: pipx install poetry
+
+      - name: Regenerate requirements.txt
+        run: make install
+
+      - name: Commit updated requirements.txt
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add requirements.txt
+          git diff --cached --quiet || git commit -m "chore: regenerate requirements.txt"
+          git push