fix: update outdated version references in descriptions

- sanic: Remove 'Python 3.6+' version constraint (now requires
  Python >=3.10 per PyPI metadata)
- django-guardian: Remove 'Django 1.2+' version constraint
  (outdated reference, now requires Python >=3.10 per PyPI metadata)

Author: fauzan171

README.md

@@ -269,7 +269,7 @@ _Libraries for building RESTful and GraphQL APIs._
   - [connexion](https://github.com/spec-first/connexion) - A spec-first framework that automatically handles requests based on your OpenAPI specification.
   - [falcon](https://github.com/falconry/falcon) - A high-performance framework for building cloud APIs and web app backends.
   - [fastapi](https://github.com/fastapi/fastapi) - A modern, fast, web framework for building APIs with standard Python type hints.
-  - [sanic](https://github.com/sanic-org/sanic) - A Python 3.6+ web server and web framework that's written to go fast.
+  - [sanic](https://github.com/sanic-org/sanic) - A Python web server and web framework that's written to go fast.
   - [strawberry](https://github.com/strawberry-graphql/strawberry) - A GraphQL library that leverages Python type annotations for schema definition.
   - [webargs](https://github.com/marshmallow-code/webargs) - A friendly library for parsing HTTP request arguments with built-in support for popular web frameworks.
 
@@ -326,7 +326,7 @@ _Libraries for implementing authentication schemes._
 - JWT
   - [pyjwt](https://github.com/jpadilla/pyjwt) - JSON Web Token implementation in Python.
 - Permissions
-  - [django-guardian](https://github.com/django-guardian/django-guardian) - Implementation of per object permissions for Django 1.2+
+  - [django-guardian](https://github.com/django-guardian/django-guardian) - Implementation of per-object permissions for Django.
   - [django-rules](https://github.com/dfunckt/django-rules) - A tiny but powerful app providing object-level permissions to Django, without requiring a database.
 
 ### Admin Panels