fix(container): update image ghcr.io/zwave-js/zwave-js-ui to v9.21.1 (#7312)

| datasource | package                      | from   | to     |
| ---------- | ---------------------------- | ------ | ------ |
| docker     | ghcr.io/zwave-js/zwave-js-ui | 9.21.0 | 9.21.1 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kubernetes/main/apps/home/zwave-js-ui/app/helmrelease.yaml

@@ -44,7 +44,7 @@ spec:
           main:
             image:
               repository: ghcr.io/zwave-js/zwave-js-ui
-              tag: 9.21.0
+              tag: 9.21.1
 
             env:
               TZ: ${TIMEZONE}