chore(deps): bump svgo from 4.0.1 to 4.0.2 in /astro-site

Bumps [svgo](https://github.com/svg/svgo) from 4.0.1 to 4.0.2.
- [Release notes](https://github.com/svg/svgo/releases)
- [Commits](svg/svgo@v4.0.1...v4.0.2)

---
updated-dependencies:
- dependency-name: svgo
  dependency-version: 4.0.2
  dependency-type: indirect
...

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

Author: dependabot[bot]