Update React in tests

Author: wooorm

package.json

@@ -57,8 +57,8 @@
     "c8": "^7.0.0",
     "hyperscript": "^2.0.0",
     "prettier": "^2.0.0",
-    "react": "^17.0.0",
-    "react-dom": "^17.0.0",
+    "react": "^18.0.0",
+    "react-dom": "^18.0.0",
     "rehype": "^12.0.0",
     "remark-cli": "^10.0.0",
     "remark-preset-wooorm": "^9.0.0",
@@ -91,7 +91,11 @@
     "trailingComma": "none"
   },
   "xo": {
-    "prettier": true
+    "prettier": true,
+    "#": "xo is wrong in tests",
+    "rules": {
+      "node/file-extension-in-import": "off"
+    }
   },
   "remarkConfig": {
     "plugins": [

test.js

@@ -16,7 +16,7 @@ import {rehype} from 'rehype'
 // @ts-expect-error: hush
 import vToString from 'vdom-to-html'
 import {createElement as r} from 'react'
-import {renderToStaticMarkup as rToString} from 'react-dom/server.js'
+import {renderToStaticMarkup as rToString} from 'react-dom/server'
 import * as vue from 'vue'
 import serverRenderer from '@vue/server-renderer'
 import {toH} from './index.js'