chore(deps): 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 19.0.0
- [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/v19.0.0/packages/react)

Updates `@types/react` from 18.3.9 to 19.0.8
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -23,7 +23,7 @@
     "@stripe/react-stripe-js": "^3.1.1",
     "@stripe/stripe-js": "^5.5.0",
     "@types/node": "22.10.10",
-    "@types/react": "18.3.9",
+    "@types/react": "19.0.8",
     "@types/react-dom": "18.3.0",
     "@uiw/codemirror-theme-eclipse": "^4.23.7",
     "@uiw/codemirror-theme-vscode": "^4.23.7",
@@ -38,7 +38,7 @@
     "next": "^15.1.6",
     "next-auth": "^4.24.11",
     "postcss": "^8.5.1",
-    "react": "18.3.1",
+    "react": "19.0.0",
     "react-big-calendar": "^1.17.1",
     "react-datetime-picker": "^6.0.1",
     "react-dom": "18.3.1",