chore(deps): update container image lscr.io/linuxserver/rdesktop to arch-openbox@2423a68 (#15175)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/rdesktop | digest | `cca4c94` -> `2423a68` |

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charts/stable/rdesktop/values.yaml

@@ -76,7 +76,7 @@ fedoraOpenBoxImage:
   pullPolicy: Always
 archOpenBoxImage:
   repository: lscr.io/linuxserver/rdesktop
-  tag: arch-openbox@sha256:cca4c94225b9ff09c73d36fcc863200c30e81296d2b3406f1b2d513aa7ca3222
+  tag: arch-openbox@sha256:2423a6839ffad3ae212dc9b57b9280dc5d15532b79520d2ca3b4ad24d08f17cd
   pullPolicy: Always
 alpineICEWMImage:
   repository: lscr.io/linuxserver/rdesktop