chore: indicate supported node engine in manifest

Author: legobeat

package.json

@@ -5,6 +5,9 @@
   "repository": "https://github.com/ethereum/js-ethereum-cryptography",
   "license": "MIT",
   "main": "./index.js",
+  "engines": {
+    "node": "^16.20 || ^18 || ^20 || >=22"
+  },
   "files": [
     "bip39/*.js",
     "bip39/*.d.ts",