Bump ruff from 0.1.5 to 0.1.6 in /apps/api

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.1.5 to 0.1.6.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@v0.1.5...v0.1.6)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

apps/api/Pipfile

@@ -17,7 +17,7 @@ requests = "==2.31.0"
 uvicorn = {extras = ["standard"], version = "*"}
 pytest = "==7.4.3"
 httpx = "==0.24.1"
-ruff = "==0.1.5"
+ruff = "==0.1.6"
 fastapi-analytics = "==1.1.5"
 python-dotenv = "==1.0.0"
 pydantic-settings = "==2.1.0"