chore(deps): bump gunicorn from 21.2.0 to 22.0.0

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>

requirements.txt

@@ -538,9 +538,9 @@ greenlet==3.0.3 \
     # via
     #   gevent
     #   sqlalchemy
-gunicorn==21.2.0 \
-    --hash=sha256:3213aa5e8c24949e792bcacfc176fef362e7aac80b76c56f6b5122bf350722f0 \
-    --hash=sha256:88ec8bff1d634f98e61b9f65bc4bf3cd918a90806c6f5c48bc5603849ec81033
+gunicorn==22.0.0 \
+    --hash=sha256:350679f91b24062c86e386e198a15438d53a7a8207235a78ba1b53df4c4378d9 \
+    --hash=sha256:4a0b436239ff76fb33f11c07a16482c521a7e09c1ce3cc293c2330afe01bec63
     # via -r requirements.in
 h11==0.14.0 \
     --hash=sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d \