chore(deps): update container image lscr.io/linuxserver/rdesktop to alpine-icewm@466f9db (#15400)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/rdesktop | digest | `e85503d` -> `466f9db` |

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charts/stable/rdesktop/values.yaml

@@ -80,7 +80,7 @@ archOpenBoxImage:
   pullPolicy: Always
 alpineICEWMImage:
   repository: lscr.io/linuxserver/rdesktop
-  tag: alpine-icewm@sha256:e85503d5396eee92025bab955216da8c49f7cec77d9ef8bab2b657f8f4a3b718
+  tag: alpine-icewm@sha256:466f9dbc3a830c42714ad79ebab23c25dfb042b6be526f06d375f498a19e0283
   pullPolicy: Always
 ubuntuICEWMImage:
   repository: lscr.io/linuxserver/rdesktop