Bump astropy from 5.0.3 to 5.3.3 in /manager

Bumps [astropy](https://github.com/astropy/astropy) from 5.0.3 to 5.3.3.
- [Release notes](https://github.com/astropy/astropy/releases)
- [Changelog](https://github.com/astropy/astropy/blob/main/docs/changelog.rst)
- [Commits](astropy/astropy@v5.0.3...v5.3.3)

---
updated-dependencies:
- dependency-name: astropy
  dependency-type: direct:production
...

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

manager/requirements.txt

@@ -2,7 +2,7 @@ aioredis==1.3.1
 alabaster==0.7.12
 asgiref==3.3.1
 asn1crypto==1.3.0
-astropy==5.0.3
+astropy==5.3.3
 async-timeout==3.0.1
 atomicwrites==1.4.1
 attrs==22.1.0