chore: Bump home-assistant-dev chart to 0.1.21-dev

Triggers Flux upgrade to pick up init-http container.

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

home-assistant-dev/Chart.yaml

@@ -4,7 +4,7 @@ description: Home Assistant development build - wraps home-assistant chart with
 type: application
 annotations:
   version-source: dockerhub-dev:homeassistant/home-assistant:^[0-9]+\.[0-9]+\.[0-9]+\.dev[0-9]+$
-version: 0.1.20-dev
+version: 0.1.21-dev
 appVersion: "2026.5.0.dev202603300315"
 dependencies:
   - name: home-assistant