chore: remove update-requirements-lock utility workflow

Co-authored-by: Cursor <cursoragent@cursor.com>

.forgejo/workflows/update-requirements-lock.yml

@@ -1,65 +0,0 @@
-name: Update requirements.lock
-
-on:
-  workflow_dispatch:
-  push:
-    branches:
-      - main
-      - int
-    paths:
-      - 'requirements.txt'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  update-lock:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - name: Install pip-tools
-        run: python -m pip install --upgrade "pip>=24,<26" pip-tools
-
-      - name: Generate requirements.lock
-        run: pip-compile requirements.txt -o requirements.lock
-
-      - name: Set environment file
-        run: |
-          if [ "${{ github.ref }}" == "refs/heads/int" ]; then
-            ENV_FILE="env-int.env"
-          else
-            ENV_FILE="env-prod.env"
-          fi
-          test -f "$ENV_FILE"
-          cp "$ENV_FILE" .env
-
-      - name: Install dependencies from generated lock
-        run: pip install -r requirements.lock --no-cache-dir
-
-      - name: Run tests
-        run: python -m pytest tests/ --ignore=tests/demo
-
-      - name: Clean up .env before commit
-        run: rm -f .env
-
-      - name: Commit and push requirements.lock
-        run: |
-          git config user.name "forgejo-actions[bot]"
-          git config user.email "forgejo-actions[bot]@noreply.git.poweron.swiss"
-          git add requirements.lock
-          if git diff --staged --quiet; then
-            echo "No changes to requirements.lock"
-          else
-            git commit -m "chore: update requirements.lock"
-            git push
-          fi