Bump jiter from 0.8.2 to 0.11.0

Bumps [jiter](https://github.com/pydantic/jiter) from 0.8.2 to 0.11.0.
- [Release notes](https://github.com/pydantic/jiter/releases)
- [Commits](pydantic/jiter@v0.8.2...v0.11.0)

---
updated-dependencies:
- dependency-name: jiter
  dependency-version: 0.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

app/backend/requirements.txt

@@ -158,7 +158,7 @@ jinja2==3.1.6
     #   flask
     #   prompty
     #   quart
-jiter==0.8.2
+jiter==0.11.0
     # via openai
 markdown-it-py==3.0.0
     # via rich