Bump astropy from 6.1.2 to 6.1.3

Bumps [astropy](https://github.com/astropy/astropy) from 6.1.2 to 6.1.3.
- [Release notes](https://github.com/astropy/astropy/releases)
- [Changelog](https://github.com/astropy/astropy/blob/main/docs/changelog.rst)
- [Commits](astropy/astropy@v6.1.2...v6.1.3)

---
updated-dependencies:
- dependency-name: astropy
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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