Bump drf-spectacular from 0.26.4 to 0.27.0 (#413)

Bumps [drf-spectacular](https://github.com/tfranzel/drf-spectacular) from 0.26.4 to 0.27.0.
- [Release notes](https://github.com/tfranzel/drf-spectacular/releases)
- [Changelog](https://github.com/tfranzel/drf-spectacular/blob/master/CHANGELOG.rst)
- [Commits](tfranzel/drf-spectacular@0.26.4...0.27.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/base.txt

@@ -20,7 +20,7 @@ djangorestframework==3.14.0  # https://github.com/encode/django-rest-framework
 django-cors-headers==4.2.0 # https://github.com/adamchainz/django-cors-headers
 drf-nested-routers==0.93.4 # https://github.com/alanjds/drf-nested-routers
 # DRF-spectacular for api documentation
-drf-spectacular==0.26.4 # https://github.com/tfranzel/drf-spectacular
+drf-spectacular==0.27.0 # https://github.com/tfranzel/drf-spectacular
 #mysqlclient
 requests
 django-storages==1.14.2 #