Bump gunicorn

Bumps the web-dependencies group with 1 update in the /requirements/partial directory: [gunicorn](https://github.com/benoitc/gunicorn).


Updates `gunicorn` from 26.0.0 to 26.1.0
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@26.0.0...26.1.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 26.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: web-dependencies
...

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

Author: dependabot[bot]

requirements/partial/requirements_production.txt

@@ -4,7 +4,7 @@ bleach[css]==6.4.0
 dependency_injector==4.49.1
 fastjsonschema==2.22.2
 Flask==3.1.3
-gunicorn==26.0.0
+gunicorn==26.1.0
 pypdf[crypto]==6.16.1
 psycopg[binary]==3.3.4
 psycopg-pool==3.3.1