Update copyright dates

Author: petdance

README.md

@@ -40,7 +40,7 @@ See https://metacpan.org/pod/HTML::Tagset
 ## COPYRIGHT
 
 Copyright 1999,2000 Sean M. Burke. Copyright 1995-2000 Gisle Aas. Copyright
-2000-2019 Andy Lester.
+2000-2024 Andy Lester.
 
 This library is free software; you can redistribute it and/or modify it
 under the terms of the Artistic License version 2.0.

lib/HTML/Tagset.pm

@@ -443,7 +443,7 @@ Copyright 1995-2000 Gisle Aas.
 
 Copyright 2000-2005 Sean M. Burke.
 
-Copyright 2005-2019 Andy Lester.
+Copyright 2005-2024 Andy Lester.
 
 This library is free software; you can redistribute it and/or modify it
 under the terms of the Artistic License version 2.0.