chore(deps): bump redis from 6.4.0 to 7.4.0 in /apps/api

Bumps [redis](https://github.com/redis/redis-py) from 6.4.0 to 7.4.0.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v6.4.0...v7.4.0)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 7.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

apps/api/requirements.txt

@@ -1,7 +1,7 @@
 fastapi==0.116.1
 uvicorn[standard]==0.35.0
 pydantic==2.11.7
-redis==6.4.0
+redis==7.4.0
 python-multipart==0.0.22
 psycopg[binary]==3.2.9
 reportlab==4.4.3