Bump astropy from 4.2.1 to 5.3.3 in /neoexchange

Bumps [astropy](https://github.com/astropy/astropy) from 4.2.1 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@v4.2.1...v5.3.3)

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

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

neoexchange/requirements.txt

@@ -5,7 +5,7 @@ numpy==1.22.4+mkl; sys_platform == 'win32'
 Django>=4.2.10,<5.0
 #mysqlclient~=1.4.3
 psycopg2-binary
-astropy==4.2.1
+astropy==5.3.3
 astroquery>=0.4.4.dev7007
 photutils==1.3.0  # Higher versions need astropy>=5.0
 pyslalib