bump down node engine version (#53)

Author: vpai

package.json

@@ -1,14 +1,14 @@
 {
   "name": "@eppo/js-client-sdk-common",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Eppo SDK for client-side JavaScript applications (base for both web and react native)",
   "main": "dist/index.js",
   "files": [
     "/dist"
   ],
   "types": "./dist/index.d.ts",
   "engines": {
-    "node": ">=18.20"
+    "node": ">=18.x"
   },
   "exports": {
     ".": {
@@ -70,4 +70,4 @@
     "semver": "^7.5.4",
     "universal-base64": "^2.1.0"
   }
-}
+}