chore: fix repository field and add engine field

Author: Marsup

package.json

@@ -2,7 +2,13 @@
     "name": "joi",
     "description": "Object schema validation",
     "version": "17.13.3",
-    "repository": "git://github.com/hapijs/joi",
+    "repository": {
+        "url": "git://github.com/hapijs/joi",
+        "type": "git"
+    },
+    "engines": {
+        "node": ">= 20"
+    },
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
     "browser": "dist/joi-browser.min.js",