fix(deps): update dependency react to v19

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "graphql-2-json-schema": "0.1.0-1",
     "json-schema": "^0.2.3",
     "lodash": "^4.17.10",
-    "react": "^16.4.0",
+    "react": "^19.0.0",
     "react-apollo": "^2.1.4",
     "react-dom": "^16.4.0",
     "react-jsonschema-form": "^1.0.3",

yarn.lock

@@ -6906,14 +6906,10 @@ react-treebeard@^2.1.0:
     shallowequal "^0.2.2"
     velocity-react "^1.3.1"
 
-react@^16.4.0:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
-  dependencies:
-    fbjs "^0.8.16"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.0"
+react@^19.0.0:
+  version "19.2.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-19.2.1.tgz#8600fa205e58e2e807f6ef431c9f6492591a2700"
+  integrity sha512-DGrYcCWK7tvYMnWh79yrPHt+vdx9tY+1gPZa7nJQtO/p8bLTDaHp4dzwEhQB7pZ4Xe3ok4XKuEPrVuc+wlpkmw==
 
 reactcss@^1.2.0:
   version "1.2.3"