Bump react and @types/react

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) and [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react). These dependencies needed to be updated together.

Updates `react` from 18.3.1 to 19.2.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.0/packages/react)

Updates `@types/react` from 18.3.18 to 19.2.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-version: 19.2.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -68,12 +68,12 @@
     "@lumino/polling": "^2.1.4",
     "@lumino/signaling": "^2.1.4",
     "@lumino/widgets": "^2.7.1",
-    "react": "^18.2.0",
+    "react": "^19.2.0",
     "react-dom": "^18.2.0"
   },
   "devDependencies": {
     "@jupyterlab/builder": "^4.4.9",
-    "@types/react": "^18.0.26",
+    "@types/react": "^19.2.2",
     "@types/react-dom": "~18.3.1",
     "@typescript-eslint/eslint-plugin": "^8.46.0",
     "@typescript-eslint/parser": "^8.46.0",

yarn.lock

@@ -4420,7 +4420,7 @@ __metadata:
     "@lumino/polling": ^2.1.4
     "@lumino/signaling": ^2.1.4
     "@lumino/widgets": ^2.7.1
-    "@types/react": ^18.0.26
+    "@types/react": ^19.2.2
     "@types/react-dom": ~18.3.1
     "@typescript-eslint/eslint-plugin": ^8.46.0
     "@typescript-eslint/parser": ^8.46.0
@@ -4430,7 +4430,7 @@ __metadata:
     eslint-plugin-react: ^7.37.5
     npm-run-all2: ^7.0.1
     prettier: ^3.6.2
-    react: ^18.2.0
+    react: ^19.2.0
     react-dom: ^18.2.0
     rimraf: ^6.0.1
     typescript: ~5.9.3
@@ -5927,6 +5927,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react@npm:^19.2.0":
+  version: 19.2.0
+  resolution: "react@npm:19.2.0"
+  checksum: 33dd01bf699e1c5040eb249e0f552519adf7ee90b98c49d702a50bf23af6852ea46023a5f7f93966ab10acd7a45428fa0f193c686ecdaa7a75a03886e53ec3fe
+  languageName: node
+  linkType: hard
+
 "read-package-json-fast@npm:^4.0.0":
   version: 4.0.0
   resolution: "read-package-json-fast@npm:4.0.0"