chore(helm): update image ghcr.io/linuxserver/calibre digest to 5094ffa (#37319)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/calibre](https://redirect.github.com/linuxserver/docker-calibre/packages)
([source](https://redirect.github.com/linuxserver/docker-calibre)) |
digest | `8f9f9c5` -> `5094ffa` |

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

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charts/stable/calibre/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://github.com/kovidgoyal/calibre/
   - https://github.com/truecharts/charts/tree/master/charts/stable/calibre
 type: application
-version: 18.0.7
+version: 18.0.8
 

charts/stable/calibre/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/calibre
-  tag: 8.5.0@sha256:8f9f9c5a2fcfe803490b82ceda1f086480e1792d794beb0be0c719144c89fad1
+  tag: 8.5.0@sha256:5094ffa9c7f8451f940f2c2fdaecf8acb09a89fe2bd87e9266c0bbad7119e326
   pullPolicy: IfNotPresent
 securityContext:
   container: