fix: repository url

Author: Baspa

content/plugins/backstage-mails.md

@@ -5,8 +5,8 @@ author_slug: backstage
 categories: [analytics, developer-tool]
 description: Filament Mails can collect and show everything you might want to track about the mails that has been sent by your Laravel app.
 discord_url: https://discord.com/channels/883083792112300104/1353177732707647539
-docs_url: https://raw.githubusercontent.com/backstage/filament-mails/main/README.md
-github_repository: backstage/filament-mails
+docs_url: https://raw.githubusercontent.com/backstagephp/filament-mails/main/README.md
+github_repository: backstagephp/filament-mails
 has_dark_theme: true
 has_translations: true
 versions: [3, 4]