Bump django from 2.2.8 to 3.0.1

Bumps [django](https://github.com/django/django) from 2.2.8 to 3.0.1.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@2.2.8...3.0.1)

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

test-requirements.in

@@ -1,6 +1,6 @@
 aiohttp
 coveralls
-django<3.0
+django<4.0
 httpx
 pytest
 pytest-aiohttp

test-requirements.txt

@@ -5,14 +5,15 @@
 #    pip-compile test-requirements.in
 #
 aiohttp==3.6.2
+asgiref==3.2.3            # via django
 async-timeout==3.0.1      # via aiohttp
 attrs==19.3.0             # via aiohttp, pytest
 certifi==2019.11.28       # via httpx, requests
 chardet==3.0.4            # via aiohttp, httpx, requests
 click==7.0                # via uvicorn
 coverage==4.5.4           # via coveralls, pytest-cov
 coveralls==1.9.2
-django==2.2.8
+django==3.0.1
 docopt==0.6.2             # via coveralls
 entrypoints==0.3          # via flake8
 flake8==3.7.9             # via pytest-flake8
@@ -24,9 +25,8 @@ httptools==0.0.13         # via uvicorn
 httpx==0.9.3
 hyperframe==5.2.0         # via h2
 idna==2.8                 # via httpx, requests, yarl
-importlib-metadata==1.2.0  # via pluggy, pytest
 mccabe==0.6.1             # via flake8
-more-itertools==8.0.2     # via pytest, zipp
+more-itertools==8.0.2     # via pytest
 multidict==4.6.1          # via aiohttp, yarl
 mypy-extensions==0.4.3    # via mypy
 mypy==0.750               # via pytest-mypy
@@ -60,4 +60,3 @@ uvloop==0.14.0            # via uvicorn
 wcwidth==0.1.7            # via pytest
 websockets==8.1           # via uvicorn
 yarl==1.4.2               # via aiohttp
-zipp==0.6.0               # via importlib-metadata