chore(helm): update image ghcr.io/linuxserver/grocy digest to c69f09e (#33301)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/grocy](https://redirect.github.com/linuxserver/docker-grocy/packages)
([source](https://redirect.github.com/linuxserver/docker-grocy)) |
digest | `cb2d9fd` -> `c69f09e` |

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

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charts/stable/grocy/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/grocy/grocy
   - https://github.com/truecharts/charts/tree/master/charts/stable/grocy
 type: application
-version: 20.6.5
+version: 20.6.6

charts/stable/grocy/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/grocy
-  tag: 4.4.2@sha256:cb2d9fd877c05c093b685161399f537a5df2d00d7041a8e1be133145e9fe4347
+  tag: 4.4.2@sha256:c69f09e7a8dfa8c89834cd8aecc61b120e82a8ec858316b3e272477fd0abaf63
   pullPolicy: IfNotPresent
 service:
   main: