chore: Bump chart version to 0.2.0-beta.5

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

deploy/helm/barycenter/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: barycenter
 description: OpenID Connect Identity Provider with federation and auto-registration
 type: application
-version: "0.2.0-beta.4"
-appVersion: "0.2.0-beta.4"
+version: "0.2.0-beta.5"
+appVersion: "0.2.0-beta.5"
 keywords:
   - openid
   - oauth2