chore(deps): update circleci/node:8 docker digest to cc22dfe

Author: renovate-bot

.circleci/config.yml

@@ -6,7 +6,7 @@ machine:
 jobs:
   build:
     docker:
-      - image: circleci/node:8@sha256:d3092f945b9b813c25a7ee737d8cefd913cb71577d3ca6142692320444cb4502
+      - image: circleci/node:8@sha256:cc22dfebe8e40220624119fbce2b2750b6af7c53d6207741f109b3cd633e7345
     environment:
       - NPM_CONFIG_LOGLEVEL: warn
     working_directory: ~/repo