chore(deps-dev): bump eslint-plugin-astro from 1.7.0 to 3.1.0

Bumps [eslint-plugin-astro](https://github.com/ota-meshi/eslint-plugin-astro) from 1.7.0 to 3.1.0.
- [Release notes](https://github.com/ota-meshi/eslint-plugin-astro/releases)
- [Changelog](https://github.com/ota-meshi/eslint-plugin-astro/blob/main/CHANGELOG.md)
- [Commits](ota-meshi/eslint-plugin-astro@v1.7.0...v3.1.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-astro
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]