chore(deps): bump the minor-patch group across 1 directory with 3 updates

Bumps the minor-patch group with 3 updates in the / directory: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight), [countup.js](https://github.com/inorganik/countUp.js) and [mermaid](https://github.com/mermaid-js/mermaid).


Updates `@astrojs/starlight` from 0.37.6 to 0.37.7
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/starlight@0.37.7/packages/starlight)

Updates `countup.js` from 2.9.0 to 2.10.0
- [Release notes](https://github.com/inorganik/countUp.js/releases)
- [Commits](inorganik/countUp.js@v2.9.0...v2.10.0)

Updates `mermaid` from 11.12.2 to 11.13.0
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Commits](https://github.com/mermaid-js/mermaid/compare/mermaid@11.12.2...mermaid@11.13.0)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.37.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-patch
- dependency-name: countup.js
  dependency-version: 2.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-patch
- dependency-name: mermaid
  dependency-version: 11.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-patch
...

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Author: dependabot[bot]