Update config.yml

.circleci/config.yml

@@ -26,10 +26,10 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - dep-bundle-1-{{ checksum "package.json" }}
+            - dep-bundle-2-{{ checksum "package.json" }}
       - run: npm install
       - save_cache:
-          key: dep-bundle-1-{{ checksum "package.json" }}
+          key: dep-bundle-2-{{ checksum "package.json" }}
           paths:
             - /repo/node_modules
       - run: npm run lint && npm run test && npm run downloadsolc && npm run make-mock-compiler && npm run build