Update guava-knowledge-base.md

Author: lukas-frey

content/plugins/guava-knowledge-base.md

@@ -9,6 +9,6 @@ docs_url: https://raw.githubusercontent.com/GuavaCZ/filament-knowledge-base/main
 github_repository: GuavaCZ/filament-knowledge-base
 has_dark_theme: true
 has_translations: true
-versions: [3]
+versions: [3, 4]
 publish_date: 2024-05-14
 ---