build: use Poetry as default build system for dependency installation in CI jobs (#5088)

.github/workflows/db-migration-test.yml

@@ -23,16 +23,20 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Install Poetry
+        uses: abatilo/actions-poetry@v3
+
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: 'pip'
+          cache: 'poetry'
           cache-dependency-path: |
-            ./api/requirements.txt
+            api/pyproject.toml
+            api/poetry.lock
 
       - name: Install dependencies
-        run: pip install -r ./api/requirements.txt
+        run: poetry install -C api
 
       - name: Set up Middleware
         uses: hoverkraft-tech/compose-action@v2.0.0
@@ -50,4 +54,4 @@ jobs:
       - name: Run DB Migration
         run: |
           cd api
-          flask db upgrade
+          poetry run python -m flask db upgrade