fix(deps): update dependency djangorestframework to v3.16.0 (#3444)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -29,7 +29,7 @@ django-silk = "^5.0.3"
 django-storages = "1.14.5"
 django-user-agents = "0.4.0"
 django-webpack-loader = "1.8.1"
-djangorestframework = "3.15.2"
+djangorestframework = "3.16.0"
 edx-api-client = "1.10.0"
 flaky = "3.8.1"
 google-api-python-client = "1.12.11"