core: bump gunicorn from 21.1.0 to 21.2.0 (#6313)

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 21.1.0 to 21.2.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](https://github.com/benoitc/gunicorn/compare/21.1.0...21.2.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

poetry.lock

@@ -1615,13 +1615,13 @@ files = [
 
 [[package]]
 name = "gunicorn"
-version = "21.1.0"
+version = "21.2.0"
 description = "WSGI HTTP Server for UNIX"
 optional = false
 python-versions = ">=3.5"
 files = [
-    {file = "gunicorn-21.1.0-py3-none-any.whl", hash = "sha256:11fc98ea214a5845f614891e8c90b0211fbe595e677d204d7cd7d80f6f348891"},
-    {file = "gunicorn-21.1.0.tar.gz", hash = "sha256:37ced4b6622f263a6483eb7cbe9606df81afd57dc0fa464883600624790271c5"},
+    {file = "gunicorn-21.2.0-py3-none-any.whl", hash = "sha256:3213aa5e8c24949e792bcacfc176fef362e7aac80b76c56f6b5122bf350722f0"},
+    {file = "gunicorn-21.2.0.tar.gz", hash = "sha256:88ec8bff1d634f98e61b9f65bc4bf3cd918a90806c6f5c48bc5603849ec81033"},
 ]
 
 [package.dependencies]