Update react monorepo to v19

Author: renovate[bot]

package.json

@@ -10,10 +10,10 @@
     "bootstrap": "^5.3.2",
     "highlight.js": "^11.8.0",
     "http-proxy-middleware": "^3.0.0",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-ace": "^13.0.0",
     "react-bootstrap": "^2.9.0",
-    "react-dom": "^18.2.0",
+    "react-dom": "^19.0.0",
     "react-scripts": "5.0.1",
     "react-tabs": "^6.0.2",
     "rxjs": "^7.8.1",