Bump strawberry-graphql-django from 0.17.2 to 0.28.3 in /caster-back

Bumps [strawberry-graphql-django](https://github.com/strawberry-graphql/strawberry-graphql-django) from 0.17.2 to 0.28.3.
- [Release notes](https://github.com/strawberry-graphql/strawberry-graphql-django/releases)
- [Changelog](https://github.com/strawberry-graphql/strawberry-graphql-django/blob/main/CHANGELOG.md)
- [Commits](strawberry-graphql/strawberry-django@v0.17.2...v0.28.3)

---
updated-dependencies:
- dependency-name: strawberry-graphql-django
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

caster-back/requirements.txt

@@ -3,7 +3,7 @@ uvicorn[standard]==0.23.2
 psycopg2-binary==2.9.9
 python-osc==1.8.1
 google-cloud-texttospeech==2.14.1
-strawberry-graphql-django==0.17.2
+strawberry-graphql-django==0.28.3
 strawberry-graphql[channels]<=0.208.2
 django-cors-headers==4.0.0
 mistletoe==1.2.1