chore: update version and appVersion in Chart.yaml and README

Signed-off-by: Noste <83548733+Noooste@users.noreply.github.com>

helm/garage-ui/Chart.yaml

@@ -3,8 +3,8 @@ name: garage-ui
 description: A Helm chart for Garage UI - Web interface for Garage S3 object storage
 icon: https://helm.noste.dev/garage.png
 type: application
-version: 0.2.5
-appVersion: "v0.4.2"
+version: 0.3.0
+appVersion: "v0.5.0"
 keywords:
   - garage
   - s3

helm/garage-ui/README.md

@@ -2,8 +2,8 @@
 
 A Helm chart for deploying [Garage UI](https://github.com/Noooste/garage-ui), a modern web interface for managing [Garage](https://garagehq.deuxfleurs.fr/) distributed object storage systems.
 
-[![Version](https://img.shields.io/badge/version-0.2.5-blue.svg)](Chart.yaml)
-[![App Version](https://img.shields.io/badge/app%20version-v0.4.2-green.svg)](Chart.yaml)
+[![Version](https://img.shields.io/badge/version-0.3.0-blue.svg)](Chart.yaml)
+[![App Version](https://img.shields.io/badge/app%20version-v0.5.0-green.svg)](Chart.yaml)
 
 ## Table of Contents