chore(deps): update container image lscr.io/linuxserver/webtop to alpine-mate@2143f5b (#15199)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/webtop | digest | `158acd9` -> `2143f5b` |

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charts/stable/webtop/values.yaml

@@ -32,7 +32,7 @@ archKDEImage:
   pullPolicy: Always
 alpineMATEImage:
   repository: lscr.io/linuxserver/webtop
-  tag: alpine-mate@sha256:158acd9d505c7bf7b22293322e8f4338f163a171e16931478954d6a3ec9aa71a
+  tag: alpine-mate@sha256:2143f5b6ed625be41d46a96b541cb991237b11e82af1bfd680c5265f728df0b2
   pullPolicy: Always
 ubuntuMATEImage:
   repository: lscr.io/linuxserver/webtop