Bump ligo-skymap from 1.0.7 to 1.1.2

Bumps [ligo-skymap](https://github.com/lpsinger/ligo.skymap) from 1.0.7 to 1.1.2.
- [Changelog](https://github.com/lpsinger/ligo.skymap/blob/main/CHANGES.rst)
- [Commits](lpsinger/ligo.skymap@v1.0.7...v1.1.2)

---
updated-dependencies:
- dependency-name: ligo-skymap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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