chore(deps): update container image ghcr.io/linuxserver/grav to 1.7.46@9b5ec86 by renovate (#24734)

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 |
`ed27423` -> `9b5ec86` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xOC4xMiIsInVwZGF0ZWRJblZlciI6IjM4LjE4LjEyIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

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: 13.1.6
+version: 13.1.7

charts/stable/grav/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/grav
   pullPolicy: IfNotPresent
-  tag: 1.7.46@sha256:ed274233b7be62773b39279f39b5f0e84558a15a589e977deb436ab00c3f5ed3
+  tag: 1.7.46@sha256:9b5ec8661021656661a2b4f1cbb8ee3103d4c6ec46d87a029ce9beceb99ad8b5
 service:
   main:
     ports: