update the testing deps

requirements-dev.txt

@@ -1,55 +1,56 @@
 alabaster==0.7.12
 appdirs==1.4.4
-asgiref==3.2.10
+asgiref==3.4.1
 atomicwrites==1.4.0
-attrs==19.3.0
-Babel==2.8.0
+attrs==21.2.0
+Babel==2.9.1
 black==19.3b0
-certifi==2020.4.5.2
+certifi==2021.5.30
 chardet==3.0.4
-click==7.1.2
-codecov==2.1.5
-coverage==4.4
-distlib==0.3.0
-djangorestframework==3.11.2
-Django==3.1.6
+click==8.0.1
+codecov==2.1.11
+coverage==5.5
+distlib==0.3.2
+Django==3.2.5
+djangorestframework==3.12.4
 docutils==0.16
-falcon==2.0.0
+falcon==3.0.1
 filelock==3.0.12
-Flask==1.1.2
-idna==2.9
+Flask==2.0.1
+idna==2.10
 imagesize==1.2.0
-itsdangerous==1.1.0
-Jinja2==2.11.3
-MarkupSafe==1.1.1
-more-itertools==8.3.0
-packaging==20.4
+iniconfig==1.1.1
+itsdangerous==2.0.1
+Jinja2==3.0.1
+MarkupSafe==2.0.1
+more-itertools==8.8.0
+packaging==20.9
 pluggy==0.13.1
 py==1.10.0
-Pygments==2.7.4
+Pygments==2.9.0
 pyparsing==2.4.7
-pytest==5.4.3
-pytest-black==0.3.9
-pytest-cov==2.10.0
+pytest==6.2.4
+pytest-black==0.3.12
+pytest-cov==2.12.1
 python-mimeparse==1.6.0
-pytz==2020.1
-requests==2.23.0
-six==1.15.0
-snowballstemmer==2.0.0
-Sphinx==3.1.0
-sphinx-rtd-theme==0.4.3
+pytz==2021.1
+requests==2.25.1
+six==1.16.0
+snowballstemmer==2.1.0
+Sphinx==4.0.2
+sphinx-rtd-theme==0.5.2
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
-sphinxcontrib-htmlhelp==1.0.3
+sphinxcontrib-htmlhelp==2.0.0
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
-sphinxcontrib-serializinghtml==1.1.4
-sphinxcontrib-websupport==1.2.2
-sqlparse==0.3.1
-toml==0.10.1
-tox==3.15.2
-ujson==3.0.0
-urllib3==1.25.9
-virtualenv==20.0.23
-wcwidth==0.2.4
-Werkzeug==1.0.1
+sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-websupport==1.2.4
+sqlparse==0.4.1
+toml==0.10.2
+tox==3.23.1
+ujson==4.0.2
+urllib3==1.26.6
+virtualenv==20.4.7
+wcwidth==0.2.5
+Werkzeug==2.0.1