Update circle config

Author: jxom

Diff for: .circleci/config.yml

@@ -7,16 +7,16 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-          - v1-dependencies-{{ checksum "package.json" }}
+          - dependencies-{{ checksum "package.json" }}
           # fallback to using the latest cache if no exact match is found
-          - v1-dependencies-
+          - dependencies-
       - run:
           name: Install
           command: yarn install
       - save_cache:
           paths:
             - node_modules
-          key: v1-dependencies-{{ checksum "package.json" }}
+          key: dependencies-{{ checksum "package.json" }}
       - run:
           name: Check Prettier, ESLint, Flow
           command: yarn ci-check