chore(deps): update container image lscr.io/linuxserver/rdesktop to fedora-mate@64710fb (#15407)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/rdesktop | digest | `773f014` -> `64710fb` |

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charts/stable/rdesktop/values.yaml

@@ -40,7 +40,7 @@ ubuntuMATEImage:
   pullPolicy: Always
 fedoraMATEImage:
   repository: lscr.io/linuxserver/rdesktop
-  tag: fedora-mate@sha256:773f01474b9cd088ba9804c66b0ad599c3a4759dda09e9afdd2ae82f05909971
+  tag: fedora-mate@sha256:64710fba3887dcc6a8f5550e3b80c39232bcd26b84e2a28c31062beea1ea9ec0
   pullPolicy: Always
 archMATEImage:
   repository: lscr.io/linuxserver/rdesktop