feat: upgrade django

requirements-full.txt

@@ -4,14 +4,15 @@ beautifulsoup4==4.9.3
 certifi==2020.6.20
 chardet==3.0.4
 defusedxml==0.6.0
-Django==3.2
+Django==3.2.4
 django-allauth==0.42.0
 django-cors-headers==3.5.0
 django-filter==2.4.0
 django-recaptcha==2.0.6
 django-rest-auth==0.9.5
 django-updown-ratings==1.0.1
 djangorestframework==3.12.1
+flake8==3.9.1
 html2markdown==0.1.7
 idna==2.10
 isort==5.6.1
@@ -21,6 +22,8 @@ martor==1.6.2
 mccabe==0.6.1
 oauthlib==3.1.0
 psycopg2-binary==2.8.6
+pycodestyle==2.7.0
+pyflakes==2.3.1
 pylint==2.6.0
 python-memcached==1.59
 python3-openid==3.2.0
@@ -33,5 +36,5 @@ soupsieve==2.2.1
 sqlparse==0.3.1
 StackAPI==0.2.0
 toml==0.10.1
-urllib3==1.25.10
+urllib3==1.26.5
 wrapt==1.12.1