build(deps): bump @storybook/core-server from 6.5.16 to 7.6.5

Bumps [@storybook/core-server](https://github.com/storybookjs/storybook/tree/HEAD/code/lib/core-server) from 6.5.16 to 7.6.5.
- [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/v7.6.5/code/lib/core-server)

---
updated-dependencies:
- dependency-name: "@storybook/core-server"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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