Bump gunicorn from 20.1.0 to 22.0.0

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.1.0 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@20.1.0...22.0.0)

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

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

requirements-dev.txt

@@ -144,7 +144,11 @@ govuk-frontend-jinja==2.6.0
     #   govuk-frontend-wtf
 govuk-frontend-wtf==2.4.0
     # via -r requirements.txt
-gunicorn==20.1.0
+greenlet==3.0.3
+    # via
+    #   -r requirements.txt
+    #   sqlalchemy
+gunicorn==22.0.0
     # via
     #   -r requirements.txt
     #   funding-service-design-utils
@@ -194,9 +198,11 @@ mypy-extensions==1.0.0
     # via mypy
 notifications-python-client==9.0.0
     # via -r requirements.txt
-packaging==23.1
+packaging==24.1
     # via
+    #   -r requirements.txt
     #   build
+    #   gunicorn
     #   pytest
 pbr==5.11.1
     # via stevedore

requirements.in

@@ -11,6 +11,6 @@ email_validator==2.0.0.post2
 flask==2.3.2
 govuk-frontend-jinja==2.6.0
 govuk-frontend-wtf==2.4.0
-gunicorn==20.1.0
+gunicorn==22.0.0
 flask-WTF==1.1.1
 notifications-python-client==9.0.0

requirements.txt

@@ -88,7 +88,9 @@ govuk-frontend-jinja==2.6.0
     #   govuk-frontend-wtf
 govuk-frontend-wtf==2.4.0
     # via -r requirements.in
-gunicorn==20.1.0
+greenlet==3.0.3
+    # via sqlalchemy
+gunicorn==22.0.0
     # via
     #   -r requirements.in
     #   funding-service-design-utils
@@ -123,6 +125,8 @@ markupsafe==2.1.2
     #   wtforms
 notifications-python-client==9.0.0
     # via -r requirements.in
+packaging==24.1
+    # via gunicorn
 pycparser==2.21
     # via cffi
 pyee==6.0.0
@@ -195,6 +199,3 @@ wtforms==3.0.1
     # via
     #   flask-wtf
     #   govuk-frontend-wtf
-
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools