Update Node.js to ^22.21.0 (#1809)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -6,7 +6,7 @@
   "author": "XWP",
   "license": "GPLv2+",
   "engines": {
-    "node": "^22.20.0"
+    "node": "^22.21.0"
   },
   "repository": {
     "type": "git",
@@ -25,7 +25,7 @@
   ],
   "devDependencies": {
     "@playwright/test": "^1.56.1",
-    "@types/node": "^22.18.11",
+    "@types/node": "^22.18.12",
     "@wordpress/e2e-test-utils-playwright": "^1.33.0",
     "@wordpress/eslint-plugin": "^22.19.0",
     "@wordpress/scripts": "^30.26.0",