fix(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -10,11 +10,11 @@
     "axios": "^1.0.0",
     "bootstrap": "^5.1.3",
     "node-sass": "^9.0.0",
-    "react": "^17.0.2",
+    "react": "^19.0.0",
     "react-bootstrap": "^2.1.0",
     "react-bootstrap-accordion": "^1.0.0",
     "react-countdown": "^2.3.2",
-    "react-dom": "^17.0.2",
+    "react-dom": "^19.0.0",
     "react-router-dom": "^6.2.1",
     "react-router-hash-link": "^2.4.3",
     "react-scripts": "5.0.1",