chore: Update Node minimum version to 14

BREAKING CHANGE:
documentation.js will now require node 14 or later.

.circleci/config.yml

@@ -2,7 +2,7 @@ workflows:
   version: 2
   node-multi-build:
     jobs:
-      - node-v12
+      - node-v14
 
 version: 2
 jobs:
@@ -29,7 +29,7 @@ jobs:
           key: npm-packages-{{ .Branch }}-{{ checksum "package-lock.json" }}
           paths:
             - node_modules/
-  node-v12:
+  node-v14:
     <<: *node-base
     docker:
-      - image: node:12
+      - image: node:14

package.json

@@ -8,9 +8,9 @@
     "documentation": "./bin/documentation.js"
   },
   "dependencies": {
-    "@babel/core": "7.15.8",
-    "@babel/generator": "7.15.4",
-    "@babel/parser": "7.15.4",
+    "@babel/core": "^7.15.8",
+    "@babel/generator": "^7.15.4",
+    "@babel/parser": "^7.15.4",
     "@babel/traverse": "^7.14.0",
     "@babel/types": "^7.14.1",
     "ansi-html": "^0.0.7",
@@ -116,7 +116,7 @@
     }
   },
   "engines": {
-    "node": ">=10"
+    "node": ">=14"
   },
   "lint-staged": {
     "*.js": [