ci: temporarily set tags to 'docker' to only run on new runners, remove before merge

.gitlab-ci.yml

@@ -5,6 +5,8 @@ stages:
 
 default:
   image: python:3.11
+  tags:
+    - docker
   before_script:
     - eval $(ssh-agent -s)
     - echo "$SSH_PRIVATE_KEY_GITLAB" | tr -d '\r' | ssh-add -