Switch to poetry for functional tests

.github/workflows/functional-tests.yml

@@ -49,11 +49,14 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: latest
-      - name: Install requirements
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: false
+          installer-parallel: true
+      - name: Install backend requirements
         working-directory: ${{ env.backend-directory }}
-        run: |
-          python -m pip install --upgrade pip
-          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        run: poetry install
       - name: Install dependencies
         working-directory: ${{ env.frontend-directory }}
         run: |
@@ -92,14 +95,14 @@ jobs:
         working-directory: ${{ env.backend-directory }}
         run: |
           export $(grep -v '^#' .env | xargs)
-          python manage.py makemigrations
-          python manage.py migrate
+          poetry run python manage.py makemigrations
+          poetry run python manage.py migrate
       - name: Start test server
         working-directory: ${{ env.backend-directory }}
         run: |
           export $(grep -v '^#' .env | xargs)
-          python manage.py createsuperuser --noinput
-          nohup python manage.py runserver &
+          poetry run python manage.py createsuperuser --noinput
+          nohup poetry run python manage.py runserver &
       - name: Build frontend
         working-directory: ${{ env.frontend-directory }}
         run: pnpm run build