replace docker deprecated perl versions

.github/workflows/linux.yml

@@ -17,13 +17,12 @@ jobs:
       matrix:
         perl-version:
           - '5.20'
-          - '5.28'
           - '5.30'
-          - 'latest'
+          - '5.40'
           - 'threaded'
 
     container:
-      image: perl:${{ matrix.perl-version }}
+      image: perl:${{ matrix.perl-version }}-buster
 
     steps:
       - uses: actions/checkout@v2

LICENSE

@@ -1,4 +1,4 @@
-This software is copyright (c) 2018 by Daniel Mantovani.
+This software is copyright (c) 2018-2024 by Daniel Mantovani.
 
 This is free software; you can redistribute it and/or modify it under
 the same terms as the Perl 5 programming language system itself.
@@ -12,7 +12,7 @@ b) the "Artistic License"
 
 --- The GNU General Public License, Version 1, February 1989 ---
 
-This software is Copyright (c) 2018 by Daniel Mantovani.
+This software is Copyright (c) 2018-2024 by Daniel Mantovani.
 
 This is free software, licensed under:
 
@@ -272,7 +272,7 @@ That's all there is to it!
 
 --- The Artistic License 1.0 ---
 
-This software is Copyright (c) 2018 by Daniel Mantovani.
+This software is Copyright (c) 2018-2024 by Daniel Mantovani.
 
 This is free software, licensed under:
 

README.md

@@ -164,7 +164,7 @@ Daniel Mantovani, `[email protected]`
 
 # COPYRIGHT AND LICENCE
 
-Copyright (C) 2018-2021, Daniel Mantovani.
+Copyright (C) 2018-2024, Daniel Mantovani.
 
 This library is free software; you may redistribute it and/or modify it under
 the terms of the Artistic License version 2.0.

lib/Mojolicious/Plugin/Cron.pm

@@ -263,7 +263,7 @@ Daniel Mantovani, C<[email protected]>
 
 =head1 COPYRIGHT AND LICENCE
 
-Copyright (C) 2018-2021, Daniel Mantovani.
+Copyright (C) 2018-2024, Daniel Mantovani.
 
 This library is free software; you may redistribute it and/or modify it under
 the terms of the Artistic License version 2.0.