fix: set engines to ^16.14.0 || >=18.0.0

BREAKING CHANGE: libnpmfund now supports node ^16.14.0 || >=18.0.0

Author: lukekarrys

workspaces/libnpmfund/package.json

@@ -48,7 +48,7 @@
     "@npmcli/arborist": "^7.1.0"
   },
   "engines": {
-    "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
+    "node": "^16.14.0 || >=18.0.0"
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",