Bump @storybook/react-vite from 9.1.9 to 9.1.15 in /frontend/react_app

Bumps [@storybook/react-vite](https://github.com/storybookjs/storybook/tree/HEAD/code/frameworks/react-vite) from 9.1.9 to 9.1.15.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v9.1.15/code/frameworks/react-vite)

---
updated-dependencies:
- dependency-name: "@storybook/react-vite"
  dependency-version: 9.1.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]