build(deps-dev): bump @storybook/core-server from 7.0.4 to 7.6.16

Bumps [@storybook/core-server](https://github.com/storybookjs/storybook/tree/HEAD/code/lib/core-server) from 7.0.4 to 7.6.16.
- [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/v7.6.16/code/lib/core-server)

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

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