feat(engines): remove node engine version restrictions from package.json

These restrictions don't make sense. They were
included because they're part of the common
template used by Software Ventures projects, but
node engine versions have essentially zero impact
on compatibility with this package.

package.json

@@ -19,9 +19,6 @@
     "test": "tsc"
   },
   "sideEffects": false,
-  "engines": {
-    "node": "^14 || ^16 || >=18"
-  },
   "peerDependencies": {
     "typescript": "^4.5.0 || ^5.0.0"
   },