fix(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -17,8 +17,8 @@
     "@docusaurus/preset-classic": "3.7.0",
     "classnames": "2.5.1",
     "docusaurus-lunr-search": "3.6.0",
-    "react": "18.3.1",
-    "react-dom": "18.3.1"
+    "react": "19.1.0",
+    "react-dom": "19.1.0"
   },
   "devDependencies": {
     "@eik/eslint-config": "1.0.10",