Node namespace 14 (#174)

* Bump node engines for node: namespace support
* ci: tests on 14+16

Author: purplecabbage

.github/workflows/node.js.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [14.x, 16.x]
         os: [ubuntu-latest, windows-latest]
 
     steps:

package.json

@@ -39,7 +39,7 @@
   },
   "engineStrict": true,
   "engines": {
-    "node": ">=12"
+    "node": "^14.18 || ^16.13 || >=18"
   },
   "main": "src/index.js",
   "files": [