Update react monorepo to v19

Author: renovate[bot]

package-lock.json

@@ -32,8 +32,8 @@
     "gatsby-plugin-manifest": "^5.13.1",
     "gatsby-plugin-sitemap": "^6.13.1",
     "gatsby-plugin-webpack-statoscope": "^1.0.3",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
     "@babel/preset-typescript": "^7.24.7",
@@ -43,8 +43,8 @@
     "@testing-library/user-event": "^14.5.2",
     "@types/jest": "^29.5.12",
     "@types/node": "^20.14.10",
-    "@types/react": "^18.3.3",
-    "@types/react-dom": "^18.3.0",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.1",
     "@typescript-eslint/parser": "^8.0.1",
     "babel-jest": "^29.7.0",