fix image path

Author: alekseikulik

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.1
 jobs:
   build:
     docker:
-      - image: circleci/ruby:2.7.1-node
+      - image: cimg/ruby:2.7.1-node
         environment:
           - RAILS_ENV=test
           - RACK_ENV=test
@@ -27,7 +27,7 @@ jobs:
           command: bundle exec rubocop
   deploy:
     docker:
-      - image: circleci/ruby:2.7.1-node
+      - image: cimg/ruby:2.7.1-node
     steps:
       - checkout
       - run: