Bump the lab-major group across 1 directory with 5 updates

Bumps the lab-major group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [react](https://github.com/facebook/react/tree/HEAD/packages/react) | `18.3.1` | `19.1.0` |
| [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) | `18.3.18` | `19.1.6` |
| [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) | `18.3.1` | `19.1.0` |
| [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) | `18.3.5` | `19.1.5` |
| [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) | `18.3.18` | `19.1.6` |
| [npm-run-all2](https://github.com/bcomnes/npm-run-all2) | `7.0.2` | `8.0.4` |



Updates `react` from 18.3.1 to 19.1.0
- [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/v19.1.0/packages/react)

Updates `@types/react` from 18.3.18 to 19.1.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `react-dom` from 18.3.1 to 19.1.0
- [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/v19.1.0/packages/react-dom)

Updates `@types/react-dom` from 18.3.5 to 19.1.5
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

Updates `@types/react` from 18.3.18 to 19.1.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `@types/react-dom` from 18.3.5 to 19.1.5
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

Updates `npm-run-all2` from 7.0.2 to 8.0.4
- [Release notes](https://github.com/bcomnes/npm-run-all2/releases)
- [Changelog](https://github.com/bcomnes/npm-run-all2/blob/master/CHANGELOG.md)
- [Commits](bcomnes/npm-run-all2@v7.0.2...v8.0.4)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: "@types/react"
  dependency-version: 19.1.6
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: react-dom
  dependency-version: 19.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: "@types/react-dom"
  dependency-version: 19.1.5
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: "@types/react"
  dependency-version: 19.1.6
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: "@types/react-dom"
  dependency-version: 19.1.5
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: lab-major
- dependency-name: npm-run-all2
  dependency-version: 8.0.4
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: lab-major
...

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

Author: dependabot[bot]

package.json

@@ -68,20 +68,20 @@
     "@lumino/polling": "^2.1.4",
     "@lumino/signaling": "^2.1.4",
     "@lumino/widgets": "^2.7.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1"
   },
   "devDependencies": {
     "@jupyterlab/builder": "^4.4.0",
-    "@types/react": "^18.0.26",
-    "@types/react-dom": "~18.3.1",
+    "@types/react": "^19.1.12",
+    "@types/react-dom": "~19.1.9",
     "@typescript-eslint/eslint-plugin": "^8.30.1",
     "@typescript-eslint/parser": "^8.30.1",
     "eslint": "^9.24.0",
     "eslint-config-prettier": "^10.1.2",
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-react": "^7.37.5",
-    "npm-run-all2": "^7.0.1",
+    "npm-run-all2": "^8.0.4",
     "prettier": "^3.5.3",
     "rimraf": "^6.0.1",
     "typescript": "~5.8.3"