chore(deps): update container image lscr.io/linuxserver/webtop to arch-xfce@a55de64 (#15342)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/webtop | digest | `b7ea637` -> `a55de64` |

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charts/stable/webtop/values.yaml

@@ -12,7 +12,7 @@ fedoraXFCEImage:
   pullPolicy: Always
 archXFCEImage:
   repository: lscr.io/linuxserver/webtop
-  tag: arch-xfce@sha256:b7ea6379704b401441938f941795e988b1b752a91a555ffa713175b8d6f053f1
+  tag: arch-xfce@sha256:a55de64150e871ed5447603b2a23c944c1559af0c4053f6f967ffe75ad99cdfd
   pullPolicy: Always
 alpineKDEImage:
   repository: lscr.io/linuxserver/webtop