Update Node.js to v16 (#7136)

* Update Node.js to v16

* update node version

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Sarah Clements <sclements313@gmail.com>

docker-compose.yml

@@ -52,7 +52,7 @@ services:
   frontend:
     container_name: frontend
     # https://hub.docker.com/_/node
-    image: node:14.16.1-alpine
+    image: node:16.6.2-alpine
     environment:
       # Allows `.neutrinorc.js` to adjust filesystem watching and browser opening behaviour.
       - IN_DOCKER=1

docker/Dockerfile

@@ -1,5 +1,5 @@
 ## Frontend stage
-FROM node:14.16.1 AS frontend
+FROM node:16.6.2 AS frontend
 
 WORKDIR /app
 

package.json

@@ -7,7 +7,7 @@
   },
   "license": "MPL-2.0",
   "engines": {
-    "node": "14.16.1",
+    "node": "16",
     "yarn": "1.22.5"
   },
   "dependencies": {