chore(deps): bump react and @types/react in /web

Bumps [react](https://github.com/react/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 19.2.8
- [Release notes](https://github.com/react/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/react/react/commits/v19.2.8/packages/react)

Updates `@types/react` from 18.3.28 to 19.2.18
- [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: 19.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-version: 19.2.18
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

web/package.json

@@ -19,7 +19,7 @@
     "echarts": "^6.1.0",
     "echarts-for-react": "^3.0.6",
     "i18next": "^25.8.14",
-    "react": "^18.3.1",
+    "react": "^19.2.8",
     "react-dom": "^18.3.1",
     "react-i18next": "^16.5.6",
     "react-router-dom": "^7.0.0",
@@ -30,7 +30,7 @@
     "@testing-library/react": "^16.2.0",
     "@testing-library/user-event": "^14.6.4",
     "@types/node": "^24.13.3",
-    "@types/react": "^18.3.20",
+    "@types/react": "^19.2.18",
     "@types/react-dom": "^18.3.6",
     "@vitejs/plugin-react": "^4.3.4",
     "jsdom": "^26.0.0",