Bump gunicorn from 20.1.0 to 23.0.0 in /frameworks/Python/starlette

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.1.0 to 23.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@20.1.0...23.0.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-type: direct:production
...

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

Author: dependabot[bot]

frameworks/Python/starlette/requirements.txt

@@ -1,5 +1,5 @@
 asyncpg==0.26.0
-gunicorn==20.1.0
+gunicorn==23.0.0
 httptools==0.5.0
 idna==3.7
 Jinja2==3.1.4