chore: remove Node.js version range, set minimum to ">=14.x" in package.json

Author: gynekolog

package.json

@@ -14,7 +14,7 @@
     "loco-cli": "./dist/cli.js"
   },
   "engines": {
-    "node": "14.x || 16.x || 18.x || 20.x"
+    "node": ">=14.x"
   },
   "scripts": {
     "build": "tsc",