chore(deps): update react monorepo to v19

Author: renovate[bot]

core/package.json

@@ -46,9 +46,9 @@
   },
   "devDependencies": {
     "@babel/runtime": "^7.18.9",
-    "@types/react": "^18.0.17",
-    "@types/react-dom": "^18.0.6",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   }
 }

website/package.json

@@ -10,12 +10,12 @@
   "dependencies": {
     "@uiw/react-head": "1.0.4",
     "@uiw/react-markdown-preview-example": "^2.0.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
-    "@types/react": "^18.0.17",
-    "@types/react-dom": "^18.0.6",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "kkt": "^7.5.4",
     "markdown-react-code-preview-loader": "^2.1.2"
   },