Update docker digests

Author: renovate-bot

.circleci/config.yml

@@ -40,7 +40,7 @@ base: &base
 
 latestNodeImage: &latestNodeImage
   docker:
-    - image: circleci/node:15@sha256:64300d4fa16456a547e9e747a10e5eb02419a477ac08a592244dc5ca8adbda72
+    - image: circleci/node:15@sha256:b79b14d0ab4b7e375def24bca05776be702dea53ce3249dbd6f2ff89272427aa
 
 version: 2
 jobs:
@@ -89,9 +89,9 @@ jobs:
     <<: *base
   test@4.0:
     docker:
-      - image: circleci/node:12@sha256:27ff7183ab5e2fe5138ad4ac3ddada57f0adbc72668f462faf6be3f1926f0ab0
+      - image: circleci/node:12@sha256:6416b4bec63db7adf0289862198a873fe973c995dc0f0c630ceb98eddea6edcf
     <<: *base
   test@4.1:
     docker:
-      - image: circleci/node:14@sha256:b094e85848b43209ca83d9bb114d406fe62c75cb73b18c9d8eb1a9c6462c97d4
+      - image: circleci/node:14@sha256:e9823ea9ccd18d037671c78df5f10652b937c6720be6c2309db26aa5d2c0e01f
     <<: *base