chore(deps): bump gunicorn in the production-dependencies group

Bumps the production-dependencies group with 1 update: [gunicorn](https://github.com/benoitc/gunicorn).


Updates `gunicorn` from 23.0.0 to 25.3.0
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@23.0.0...25.3.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 25.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: production-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -7,7 +7,7 @@ authors = [
 ]
 dependencies = [
     "flask>=3.1,<4",
-    "gunicorn>=23,<24",
+    "gunicorn>=25.3.0,<26",
 ]
 readme = "README.md"
 requires-python = ">=3.13"