fix(deps): update container image lscr.io/linuxserver/rdesktop to ubuntu-openbox (#15138)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/rdesktop | digest | `afb50a5` -> `33c0820` |

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charts/stable/rdesktop/values.yaml

@@ -68,7 +68,7 @@ alpineOpenBoxImage:
   pullPolicy: Always
 ubuntuOpenBoxImage:
   repository: lscr.io/linuxserver/rdesktop
-  tag: ubuntu-openbox@sha256:afb50a58c9a8ed3cdf3f06b18de730f4feff46089ae8d4b4e97227604c58f12c
+  tag: ubuntu-openbox@sha256:33c0820712d102c1dec4dd4cbd3320758ef605555a11b94cf28dbcef87602053
   pullPolicy: Always
 fedoraOpenBoxImage:
   repository: lscr.io/linuxserver/rdesktop