Bump react from 16.14.0 to 19.2.0

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 16.14.0 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)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -54,7 +54,7 @@
     "postcss": "8.5.0",
     "postcss-loader": "~8.1.0",
     "prop-types": "~15.8.1",
-    "react": "~17.0.0",
+    "react": "~19.2.0",
     "react-dom": "~17.0.0",
     "react-ga4": "~2.1.0",
     "react-katex": "^3.0.1",