chore(helm): update image ghcr.io/linuxserver/grav digest to af6f314 (#37884)

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
| `e69fd54` -> `af6f314` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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charts/stable/grav/Chart.yaml

@@ -39,5 +39,5 @@ sources:
   - https://github.com/linuxserver/docker-grav
   - https://github.com/truecharts/charts/tree/master/charts/stable/grav
 type: application
-version: 14.2.0
+version: 14.2.1
 

charts/stable/grav/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/grav
   pullPolicy: IfNotPresent
-  tag: 1.7.48@sha256:e69fd54b51907a76b2ddd7656c3c080534650c1efd04bc9c66d875bb80ea0536
+  tag: 1.7.48@sha256:af6f314ce0ee3d5e244aa330c92d5ebc03311fad2505b22cccff0a3c3feb8d09
 service:
   main:
     ports: