🎆 Updates maintenance/license year to 2023 (#683)

Author: frenck

LICENSE.md

@@ -1,6 +1,6 @@
 # MIT License
 
-Copyright (c) 2019-2021 Franck Nijhof
+Copyright (c) 2019-2023 Franck Nijhof
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -128,7 +128,7 @@ check [the contributor's page][contributors].
 
 MIT License
 
-Copyright (c) 2019-2021 Franck Nijhof
+Copyright (c) 2019-2023 Franck Nijhof
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -162,7 +162,7 @@ SOFTWARE.
 [github-sponsors]: https://github.com/sponsors/frenck
 [keepchangelog]: http://keepachangelog.com/en/1.0.0/
 [license-shield]: https://img.shields.io/github/license/frenck/python-adguardhome.svg
-[maintenance-shield]: https://img.shields.io/maintenance/yes/2020.svg
+[maintenance-shield]: https://img.shields.io/maintenance/yes/2023.svg
 [patreon-shield]: https://frenck.dev/wp-content/uploads/2019/12/patreon.png
 [patreon]: https://www.patreon.com/frenck
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg