chore(deps): update container image ghcr.io/linuxserver/grocy to 4.0.3@8519b1c (#15634)

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 |
`a15633b` -> `8519b1c` |

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charts/stable/grocy/Chart.yaml

@@ -1,7 +1,7 @@
 kubeVersion: '>=1.24.0'
 apiVersion: v2
 name: grocy
-version: 15.0.26
+version: 15.0.27
 appVersion: 4.0.3
 description: ERP beyond your fridge - grocy is a web-based self-hosted groceries &
   household management solution for your home

charts/stable/grocy/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/grocy
-  tag: 4.0.3@sha256:a15633bad068d9707189038bf28e57405624d4d72e42bd7d6658cf50dd22ed23
+  tag: 4.0.3@sha256:8519b1c818ea6b0440c3f592e304b7446ff625d39bd0d32ec8cc85c7d786031b
   pullPolicy: IfNotPresent
 service:
   main: