Bump storybook from 8.6.14 to 8.6.15

Bumps [storybook](https://github.com/storybookjs/storybook/tree/HEAD/code/core) from 8.6.14 to 8.6.15.
- [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/v8.6.15/code/core)

---
updated-dependencies:
- dependency-name: storybook
  dependency-version: 8.6.15
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -58,7 +58,7 @@
     "globals": "^15.9.0",
     "msw": "^2.3.0",
     "msw-storybook-addon": "^2.0.3",
-    "storybook": "^8.5.6",
+    "storybook": "^8.6.15",
     "typescript": "^5.5.3",
     "typescript-eslint": "^8.0.1",
     "vite": "^5.4.1",