chore(deps): update container image lscr.io/linuxserver/webtop to latest@8f486a4 (#15209)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| lscr.io/linuxserver/webtop | digest | `031f610` -> `8f486a4` |

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charts/stable/webtop/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: lscr.io/linuxserver/webtop
-  tag: latest@sha256:031f610d1cb4378000bcbcd51c629c81193fe3a90130be6a36c5b7247137b2b0
+  tag: latest@sha256:8f486a4d9aeb4f4218b182252786650879dab8328f7c99dc1c9e38f708a7ce1b
 ubuntuXFCEImage:
   repository: lscr.io/linuxserver/webtop
   tag: ubuntu-xfce@sha256:ae83f955a468a2a2cafbd25201c1e410acf757b47e9a1edd4f6e159fa6565018