Bump gunicorn from 21.2.0 to 22.0.0 in /src/products/src

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 21.2.0 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@21.2.0...22.0.0)

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

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

src/products/src/requirements.txt

@@ -3,7 +3,7 @@ aws-xray-sdk==2.12.1
 boto3==1.29.6
 Flask==3.0.0
 flask-cors==3.0.10
-gunicorn==21.2.0
+gunicorn==22.0.0
 pyyaml==6.0.1
 requests==2.31.0
 urllib3<2