Try using the docker runner again

.gitlab-ci.yml

@@ -4,6 +4,9 @@ stages:
   - automated_test
 
 default:
+  image: python:3.11
+  tags:
+    - docker
   before_script:
     - eval $(ssh-agent -s)
     - echo "$SSH_PRIVATE_KEY_GITLAB" | tr -d '\r' | ssh-add -
@@ -16,7 +19,6 @@ default:
     - ssh-keyscan -p 10022 git.xfel.eu > $CI_PROJECT_DIR/.ssh/known_hosts
     - ls  $CI_PROJECT_DIR/.ssh
     - echo $GIT_SSH_COMMAND
-    - export PYENV_VERSION="3.11"
     - python3 -m venv .venv
     - source .venv/bin/activate
     - python3 -m pip install --upgrade pip setuptools wheel
@@ -28,8 +30,6 @@ checks:
   stage: check
   only: [merge_requests]
   allow_failure: true
-  tags:
-    - integration
   script:
     - export PATH=/home/gitlab-runner/.local/bin:$PATH
     #  We'd like to run the pre-commit hooks only on files that are being
@@ -46,8 +46,6 @@ checks:
 pytest:
   stage: test
   only: [merge_requests]
-  tags:
-    - integration
   script:
     - export LANG=C  # Hopefully detect anything relying on locale
     - python3 -m pip install ".[test]"
@@ -69,8 +67,6 @@ automated_test:
   only: [merge_requests]
   when: manual
   allow_failure: false
-  tags:
-    - integration
   script:
     - export LANG=C  # Hopefully detect anything relying on locale
     - python3 -m pip install ".[test]"