chore(helm): update image ghcr.io/linuxserver/speedtest-tracker digest to 9e6aa44 (#28392)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/speedtest-tracker](https://redirect.github.com/linuxserver/docker-speedtest-tracker/packages)
([source](https://redirect.github.com/linuxserver/docker-speedtest-tracker))
| digest | `5eed2dd` -> `9e6aa44` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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charts/stable/speedtest-tracker/Chart.yaml

@@ -41,4 +41,4 @@ sources:
   - https://github.com/linuxserver/docker-speedtest-tracker
   - https://github.com/truecharts/charts/tree/master/charts/stable/speedtest-tracker
 type: application
-version: 5.6.5
+version: 5.6.6

charts/stable/speedtest-tracker/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/speedtest-tracker
   pullPolicy: IfNotPresent
-  tag: 0.21.4@sha256:5eed2ddff17ee27a95725014673af234f88ff8be3a5190bea5ec852203c43a4a
+  tag: 0.21.4@sha256:9e6aa4424fd13d796a6b4e2563b833da6cc4ea5a03a28926e923f37e230640b8
 service:
   main:
     ports: