chore(deps): update container image ghcr.io/linuxserver/grocy to 4.2.0@12c6c0e by renovate (#20360)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/grocy](https://togithub.com/linuxserver/docker-grocy/packages)
([source](https://togithub.com/linuxserver/docker-grocy)) | digest |
`7fb90cb` -> `12c6c0e` |

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yODAuMCIsInVwZGF0ZWRJblZlciI6IjM3LjI4MC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/grocy/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/grocy.png
 keywords:
   - grocy
   - home-automation
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/grocy
   - https://ghcr.io/linuxserver/grocy
 type: application
-version: 18.8.7
+version: 18.8.8

charts/stable/grocy/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/grocy
-  tag: 4.2.0@sha256:7fb90cbd7ad6fdb62fc0f4d03913f4407bb058880aace5604f96d5e6350bcc38
+  tag: 4.2.0@sha256:12c6c0e45153c650a7609125324765239efd5c702f738c6db5a5c5cf48d42e78
   pullPolicy: IfNotPresent
 service:
   main: