chore: update copyright year in mkdocs configuration

- Updated the copyright year from 2025 to 2026 in the mkdocs.yml file to reflect the current year.

Author: NiveditJain

docs/mkdocs.yml

@@ -8,7 +8,7 @@ repo_name: exospherehost/exospherehost
 repo_url: https://github.com/exospherehost/exospherehost
 edit_uri: edit/main/docs/docs
 
-copyright: Copyright © 2025 exosphere.host
+copyright: Copyright © 2026 exosphere.host
 
 
 theme: