docs: update outdated screenshots (#11630)

# Which Problems Are Solved

Update outdated screenshots in the docs. 

# How the Problems Are Solved

By replacing the outdated ones with current screenshots

# Additional Changes
Replace the usage of "authorization" with "role assignments" in docs
where it was previously missed.

# Additional Context
- Follow-up for PR https://github.com/zitadel/zitadel/pull/11588
- there are some more docs to be updated, which will be done in a
following PR

---------

Co-authored-by: Copilot <[email protected]>

apps/docs/content/examples/login/python-django.mdx

@@ -42,9 +42,9 @@ If none of the roles is provided as a user, the user in Django will not be creat
 
 ![Project roles in management console](../../../public/img/django/project-roles.png)
 
-Finally, we can assign the roles to users in the project's authorizations tab.
+Finally, we can assign the roles to users in the project's `Role Assignments` tab.
 
-![Project authorizations in management console](../../../public/img/django/project-authorizations.png)
+![Project role assignments in management console](../../../public/img/django/project-authorizations.png)
 
 ### Set up application and obtain secrets
 
@@ -198,7 +198,7 @@ Never store and commit secrets in the ".env" or settings.py file
 
 ### Authentication and authorization
 
-To check the authentication and authorization the views in the polls application are extended with decorators:
+To check the authentication and authorization, the views in the polls application are extended with decorators:
 
 ```python reference
 https://github.com/zitadel/example-python-django-oidc/blob/main/mysite/views.py