Bump drf-spectacular from 0.11.1 to 0.12.0 (#6734)

Bumps [drf-spectacular](https://github.com/tfranzel/drf-spectacular) from 0.11.1 to 0.12.0.
- [Release notes](https://github.com/tfranzel/drf-spectacular/releases)
- [Changelog](https://github.com/tfranzel/drf-spectacular/blob/master/CHANGELOG.rst)
- [Commits](tfranzel/drf-spectacular@0.11.1...0.12.0)

Signed-off-by: dependabot[bot] <support@github.com>

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

requirements.txt

@@ -78,7 +78,7 @@ djangorestframework-gis==0.16
 djangorestframework-guardian==0.3.0
 drf-extensions==0.6.0
 drf-writable-nested==0.6.2
-drf-spectacular==0.11.1
+drf-spectacular==0.12.0
 dynamic-rest==2.0.0
 Markdown==3.3.3