Bump gunicorn from 20.0.4 to 20.1.0

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.0.4 to 20.1.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](https://github.com/benoitc/gunicorn/compare/20.0.4...20.1.0)

Signed-off-by: dependabot[bot] <support@github.com>

Pipfile.lock

@@ -172,11 +172,10 @@
         },
         "gunicorn": {
             "hashes": [
-                "sha256:1904bb2b8a43658807108d59c3f3d56c2b6121a701161de0ddf9ad140073c626",
-                "sha256:cd4a810dd51bf497552cf3f863b575dabd73d6ad6a91075b65936b151cbf4f9c"
+                "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8"
             ],
             "index": "pypi",
-            "version": "==20.0.4"
+            "version": "==20.1.0"
         },
         "honcho": {
             "hashes": [

requirements.txt

@@ -16,7 +16,7 @@ doit==0.33.1
 flask-migrate==2.5.3
 flask-sqlalchemy==2.4.4
 flask==1.1.2
-gunicorn==20.0.4
+gunicorn==20.1.0
 honcho==1.0.1
 idna==2.10
 itsdangerous==1.1.0