deps(dev): bump aegir from 45.0.9 to 47.0.12

Bumps [aegir](https://github.com/ipfs/aegir) from 45.0.9 to 47.0.12.
- [Release notes](https://github.com/ipfs/aegir/releases)
- [Changelog](https://github.com/ipfs/aegir/blob/main/CHANGELOG.md)
- [Commits](ipfs/aegir@v45.0.9...v47.0.12)

---
updated-dependencies:
- dependency-name: aegir
  dependency-version: 47.0.12
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]