Update copyright year

jmert · jmert · commit 6889142df8bf · 2023-11-11T12:56:31.000-06:00
diff --git a/LICENSE.md b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020–2021: Justin Willmert and contributors
+Copyright (c) 2020–2023: Justin Willmert and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
