ci: add scheduled builds

frontend/app-release-template/Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.gitlab.com/openstapps/app
+FROM registry.gitlab.com/openstapps/openstapps/app
 
 ENV LC_ALL=en_US.UTF-8 \
     LANG=en_US.UTF-8

frontend/app/.gitlab-ci.yml

@@ -6,7 +6,7 @@ e2e:
     - pnpm --filter=@openstapps/app exec cypress install
     - pnpm test:integration:app
   artifacts:
-    when: always
+    when: on_failure #TODO: expire artifacts / only keep if job failed etc.
     paths:
       - frontend/app/cypress/videos
       - frontend/app/cypress/screenshots