chore(deps): update container image ghcr.io/linuxserver/grav to 1.7.46@620e8a6 by renovate (#27621)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/grav](https://redirect.github.com/linuxserver/docker-grav/packages)
([source](https://redirect.github.com/linuxserver/docker-grav)) | digest
| `fc82a15` -> `620e8a6` |

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charts/stable/grav/Chart.yaml

@@ -36,4 +36,4 @@ sources:
   - https://github.com/linuxserver/docker-grav
   - https://github.com/truecharts/charts/tree/master/charts/stable/grav
 type: application
-version: 13.2.1
+version: 13.2.2

charts/stable/grav/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/grav
   pullPolicy: IfNotPresent
-  tag: 1.7.46@sha256:fc82a15632b51072f8e09b9a316486444005f64a1dc6a16911ef71a2aec9327e
+  tag: 1.7.46@sha256:620e8a61285e3537d1403ff935af448dac33c2d8a6649723af005bc0fb8ca325
 service:
   main:
     ports: