Build(deps): Bump gunicorn from 20.0.4 to 22.0.0 (#581)

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.0.4 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](https://github.com/benoitc/gunicorn/compare/20.0.4...22.0.0)

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

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

Pipfile

@@ -28,7 +28,7 @@ django-reversion = "~=3.0.9"
 django-widget-tweaks = "~=1.4.8"
 django-htmlmin = "~=0.11.0"
 envparse = "*"
-gunicorn = "~=20.0.4"
+gunicorn = "~=22.0.0"
 icalendar = "~=4.0.7"
 idna = "~=3.7"
 Markdown = "~=3.3.3"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "2b509761550fdc16f5a5a1128c5d798b6f2a773e92d511ad992f13c01a84ba6b"
+            "sha256": "74090a2904a23b51f22c5b2989b1622705f4ae46df2395bf8447b31a4cabd113"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -478,12 +478,12 @@
         },
         "gunicorn": {
             "hashes": [
-                "sha256:1904bb2b8a43658807108d59c3f3d56c2b6121a701161de0ddf9ad140073c626",
+                "sha256:350679f91b24062c86e386e198a15438d53a7a8207235a78ba1b53df4c4378d9",
-                "sha256:cd4a810dd51bf497552cf3f863b575dabd73d6ad6a91075b65936b151cbf4f9c"
+                "sha256:4a0b436239ff76fb33f11c07a16482c521a7e09c1ce3cc293c2330afe01bec63"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.4'",
+            "markers": "python_version >= '3.7'",
-            "version": "==20.0.4"
+            "version": "==22.0.0"
         },
         "h11": {
             "hashes": [
@@ -713,11 +713,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5",
+                "sha256:2ddfb553fdf02fb784c234c7ba6ccc288296ceabec964ad2eae3777778130bc5",
-                "sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7"
+                "sha256:eb82c5e3e56209074766e6885bb04b8c38a0c015d0a30036ebe7ece34c9989e9"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==23.2"
+            "version": "==24.0"
         },
         "pep517": {
             "hashes": [