Add 2011 to copyright dates

There was only a single one-character change in 2011, but that's
enough to collapse ranges.

README

@@ -2,9 +2,9 @@
              (format POD source into various output formats)
                 Maintained by Russ Allbery <rra@cpan.org>
 
-  Copyright 1999-2010, 2012-2024 Russ Allbery <rra@cpan.org>.  This
-  software is distributed under the same terms as Perl itself.  Please see
-  the section LICENSE below for more information.
+  Copyright 1999-2024 Russ Allbery <rra@cpan.org>.  This software is
+  distributed under the same terms as Perl itself.  Please see the section
+  LICENSE below for more information.
 
 BLURB
 
@@ -154,7 +154,7 @@ LICENSE
   The podlators package as a whole is covered by the following copyright
   statement and license:
 
-    Copyright 1999-2010, 2012-2024 Russ Allbery <rra@cpan.org>
+    Copyright 1999-2024 Russ Allbery <rra@cpan.org>
 
     This program is free software; you may redistribute it and/or modify
     it under the same terms as Perl itself.  This means that you may

README.md

@@ -6,9 +6,9 @@ status](https://github.com/rra/podlators/workflows/build/badge.svg)](https://git
 version](https://img.shields.io/cpan/v/podlators)](https://metacpan.org/release/podlators)
 [![License](https://img.shields.io/cpan/l/podlators)](https://github.com/rra/podlators/blob/master/LICENSE)
 
-Copyright 1999-2010, 2012-2024 Russ Allbery <rra@cpan.org>.  This software
-is distributed under the same terms as Perl itself.  Please see the
-section [License](#license) below for more information.
+Copyright 1999-2024 Russ Allbery <rra@cpan.org>.  This software is
+distributed under the same terms as Perl itself.  Please see the section
+[License](#license) below for more information.
 
 ## Blurb
 
@@ -153,7 +153,7 @@ requests are gratefully reviewed and normally accepted.
 The podlators package as a whole is covered by the following copyright
 statement and license:
 
-> Copyright 1999-2010, 2012-2024
+> Copyright 1999-2024
 >     Russ Allbery <rra@cpan.org>
 >
 > This program is free software; you may redistribute it and/or modify it

docs/docknot.yaml

@@ -22,7 +22,7 @@ license:
   name: Perl
 copyrights:
   - holder: Russ Allbery <rra@cpan.org>
-    years: 1999-2010, 2012-2024
+    years: 1999-2024
 
 build:
   type: ExtUtils::MakeMaker

lib/Pod/Man.pm

@@ -2419,7 +2419,7 @@ recognition and all bugs are mine.
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 1999-2010, 2012-2020, 2022-2024 Russ Allbery <rra@cpan.org>
+Copyright 1999-2020, 2022-2024 Russ Allbery <rra@cpan.org>
 
 Substantial contributions by Sean Burke <sburke@cpan.org>.