chore(deps): update container image ghcr.io/linuxserver/grav to 1.7.45@fff9cc3 by renovate (#20005)

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 |
`c98fa7a` -> `fff9cc3` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yNzguMCIsInVwZGF0ZWRJblZlciI6IjM3LjI3OC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/grav/Chart.yaml

@@ -25,7 +25,7 @@ keywords:
   - web
   - platform
   - file
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -37,4 +37,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/grav
   - https://ghcr.io/linuxserver/grav
 type: application
-version: 11.7.8
+version: 11.7.9

charts/stable/grav/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/grav
   pullPolicy: IfNotPresent
-  tag: 1.7.45@sha256:c98fa7a5fa274a3f92ff946fe5c78c1444b47f5f0f8437aebdfdc5e83da0af40
+  tag: 1.7.45@sha256:fff9cc32844429371d6a3e198b801dfcd38304ae2c78ec9d32c172b4676c84fe
 service:
   main:
     ports: