shift node support range

drop support for 12 and 13.
Add support for 16 and 18.

Author: BacLuc

.github/workflows/continuous-integration.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '12', '13', '14' ]
+        node: [ '14', '16', '18' ]
     steps:
 
       - uses: actions/checkout@v2

package-lock.json

@@ -14,7 +14,7 @@
     "version": "npm run build"
   },
   "engines": {
-    "node": ">=0.12"
+    "node": ">=14.0.0 <19.0.0"
   },
   "files": [
     "/dist",