chore(api): update dependency gunicorn to v21

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2727>

api/poetry.lock

@@ -1631,17 +1631,17 @@ files = [
 
 [[package]]
 name = "gunicorn"
-version = "20.1.0"
+version = "21.2.0"
 description = "WSGI HTTP Server for UNIX"
 optional = false
 python-versions = ">=3.5"
 files = [
-    {file = "gunicorn-20.1.0-py3-none-any.whl", hash = "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e"},
-    {file = "gunicorn-20.1.0.tar.gz", hash = "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8"},
+    {file = "gunicorn-21.2.0-py3-none-any.whl", hash = "sha256:3213aa5e8c24949e792bcacfc176fef362e7aac80b76c56f6b5122bf350722f0"},
+    {file = "gunicorn-21.2.0.tar.gz", hash = "sha256:88ec8bff1d634f98e61b9f65bc4bf3cd918a90806c6f5c48bc5603849ec81033"},
 ]
 
 [package.dependencies]
-setuptools = ">=3.0"
+packaging = "*"
 
 [package.extras]
 eventlet = ["eventlet (>=0.24.1)"]
@@ -4681,4 +4681,4 @@ typesense = ["typesense"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8,<3.13"
-content-hash = "62f684c25a813402cea7feea037527c24836a30c8e8b0efa9d8f038aed109fe1"
+content-hash = "5a6828bdc6f95c0c1f0eff2f9872d6d480185d51bc225af1bc965717b64419d3"

api/pyproject.toml

@@ -62,7 +62,7 @@ kombu = "5.3.4"
 celery = "5.3.6"
 
 # Deployment
-gunicorn = "==20.1.0"
+gunicorn = "==21.2.0"
 uvicorn = { version = "==0.20.0", extras = ["standard"] }
 
 # Libs