Bump astropy from 5.3.3 to 5.3.4

Bumps [astropy](https://github.com/astropy/astropy) from 5.3.3 to 5.3.4.
- [Release notes](https://github.com/astropy/astropy/releases)
- [Changelog](https://github.com/astropy/astropy/blob/main/docs/changelog.rst)
- [Commits](astropy/astropy@v5.3.3...v5.3.4)

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

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