chore(deps): update container image ghcr.io/linuxserver/grav to 1.7.43@dcc55a2 (#15614)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/grav](https://togithub.com/linuxserver/docker-grav/packages)
([source](https://togithub.com/linuxserver/docker-grav)) | digest |
`ed1ccad` -> `dcc55a2` |

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charts/stable/grav/Chart.yaml

@@ -1,7 +1,7 @@
 kubeVersion: '>=1.24.0'
 apiVersion: v2
 name: grav
-version: 8.0.27
+version: 8.0.28
 appVersion: 1.7.43
 description: A Fast, Simple, and Flexible, file-based Web-platform.
 home: https://truecharts.org/charts/stable/grav

charts/stable/grav/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/grav
   pullPolicy: IfNotPresent
-  tag: 1.7.43@sha256:ed1ccada2cd757c259446380d77ab3b844911fcf6dbef03da44b60a9c227baf3
+  tag: 1.7.43@sha256:dcc55a244ad8c9291dd3e5aa33710027613eb2390f396942139921700affd7b3
 service:
   main:
     ports: