Bump drf-spectacular from 0.27.2 to 0.28.0

Bumps [drf-spectacular](https://github.com/tfranzel/drf-spectacular) from 0.27.2 to 0.28.0.
- [Release notes](https://github.com/tfranzel/drf-spectacular/releases)
- [Changelog](https://github.com/tfranzel/drf-spectacular/blob/master/CHANGELOG.rst)
- [Commits](tfranzel/drf-spectacular@0.27.2...0.28.0)

---
updated-dependencies:
- dependency-name: drf-spectacular
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -138,7 +138,7 @@ drf-extra-fields==3.7.0
     # via -r requirements.in
 drf-jwt==1.19.2
     # via -r requirements.in
-drf-spectacular==0.27.2
+drf-spectacular==0.28.0
     # via -r requirements.in
 ecdsa==0.19.0
     # via python-jose