Upgrade requirements

requirements.txt

-Django==2.2.12
-django-cors-headers==3.2.1
+attrs==21.2.0
+certifi==2021.10.8
+charset-normalizer==2.0.9
+Django==2.2.25
+django-cors-headers==3.10.1
+django-environ==0.8.1
 django-oidc-provider==0.7.0
 django-tinymce==2.8.0
 django-versatileimagefield==1.11
-django-environ==0.4.5
-djangorestframework==3.11.0
-drf-nested-routers==0.91
-Pillow==4.3.0
-python-dateutil==2.8.1
-wheel==0.37.0
-
-# needed for the database (container)
-psycopg2_binary==2.8.6
-
-# needed for production server
-gunicorn==20.0.4
+djangorestframework==3.13.1
+drf-nested-routers==0.93.4
+future==0.18.2
+gunicorn==20.1.0
+idna==3.3
+inflection==0.5.1
+iniconfig==1.1.1
+olefile==0.46
+packaging==21.3
+Pillow==8.4.0
+pluggy==1.0.0
+psycopg2-binary==2.8.6
+py==1.11.0
+pycryptodomex==3.12.0
+pyjwkest==1.4.2
+pyparsing==3.0.6
+pytest==6.2.5
+pytest-django==4.5.2
+python-dateutil==2.8.2
+python-magic==0.4.24
+pytz==2021.3
+requests==2.26.0
+six==1.16.0
+sqlparse==0.4.2
+text-unidecode==1.3
+toml==0.10.2
+urllib3==1.26.7