fix CI

.gitlab-ci.yml

@@ -22,7 +22,7 @@ install:
   image: cypress/browsers:node14.17.0-chrome88-ff89
   stage: build
   script:
-    - yarn install --frozen-lockfile
+    - yarn install --dev --frozen-lockfile
     # check Cypress binary path and cached versions
     - npx node_modules/.bin/cypress cache path
     - npx node_modules/.bin/cypress cache list