chore(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -41,7 +41,7 @@
     "lint-staged": "^14.0.0",
     "lerna": "^7.1.3",
     "prettier": "^3.0.0",
-    "react-test-renderer": "^18.2.0",
+    "react-test-renderer": "^19.0.0",
     "tsbb": "^4.2.1"
   }
 }

www/package.json

@@ -12,16 +12,16 @@
     "@uiw/react-markdown-preview-example": "^2.0.0",
     "@uiw/react-textarea-code-editor": "3.1.0",
     "code-example": "^3.3.6",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "styled-components": "^6.0.5"
   },
   "devDependencies": {
     "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@kkt/raw-modules": "^7.5.1",
     "@kkt/scope-plugin-options": "^7.5.1",
-    "@types/react": "^18.0.31",
-    "@types/react-dom": "^18.0.11",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "kkt": "^7.5.1",
     "markdown-react-code-preview-loader": "^2.1.2",
     "source-map-explorer": "^2.5.3"