fix: update docker image

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 defaults: &defaults
   working_directory: ~/qlik-smart-pivot
   docker:
-    - image: circleci/node:stretch
+    - image: circleci/node:16.13.0
   environment:
     GITHUB_ORG: "qlik-oss"
     GITHUB_REPO: "PLSmartPivot"
@@ -21,7 +21,7 @@ commands:
 jobs:
   test:
     docker:
-    - image: circleci/node:stretch-browsers
+    - image: circleci/node:16.13.0-browsers
     steps:
       - checkout
       - run: