Set end date for official 0.2 support, update license copyright years

LICENSE

@@ -1,5 +1,5 @@
 Copyright (c) 2008 Ross Poulton (Trading as Jutda),
-Copyright (c) 2008-2020 django-helpdesk contributors.
+Copyright (c) 2008-2021 django-helpdesk contributors.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,

SECURITY.md

@@ -4,11 +4,11 @@
 
 The following chart shows versions of `django-helpdesk` that are currently receiving bugfixes and security patches.
 
-| Version | Supported          |
-| ------- | ------------------ |
-| 0.3.x   | :white_check_mark: |
-| 0.2.x   | :white_check_mark: |
-| < 0.2   | :x:                |
+| Version | Support History    | Last Date of Support             |
+| ------- | ------------------ | -------------------------------- |
+| 0.3.x   | :white_check_mark: | will be set after release of 0.4 |
+| 0.2.x   | :white_check_mark: | 2021-12-31                       |
+| < 0.2   | :x:                | 2016-10-31
 
 ## Reporting a Vulnerability
 

demo/setup.py

@@ -23,8 +23,6 @@
                'Programming Language :: Python :: 3.9',
                'Programming Language :: Python :: 3.10',
                'Framework :: Django :: 2.2',
-               'Framework :: Django :: 3.0',
-               'Framework :: Django :: 3.1',
                'Framework :: Django :: 3.2']
 KEYWORDS = []
 PACKAGES = ['demodesk']

setup.py

@@ -129,8 +129,6 @@ def get_long_description():
         "Programming Language :: Python :: 3.10",
         "Framework :: Django",
         'Framework :: Django :: 2.2',
-        "Framework :: Django :: 3.0",
-        "Framework :: Django :: 3.1",
         "Framework :: Django :: 3.2",
         "Environment :: Web Environment",
         "Operating System :: OS Independent",