ci: cache poetry

.gitlab-ci.yml

@@ -10,12 +10,16 @@ test:
   services:
     - name: redis:alpine
       alias: redis
+  cache:
+    - paths:
+      - .venv
   before_script:
     - apt-get update
     - apt-get install -y --no-install-recommends python3-dev libxmlsec1 libxmlsec1-dev libpq-dev libmariadb-dev apache2-bin libapache2-mod-auth-mellon libapache2-mod-auth-openidc xmlsec1
     - ln -s /usr/sbin/apache2 /usr/sbin/httpd
     - ln -s /usr/lib/apache2 /usr/lib/httpd
     - pip install poetry
+    - poetry config virtualenvs.in-project true
     - poetry install --with=dev
   script:
     - poetry run playwright install-deps