chore(helm): update image ghcr.io/linuxserver/calibre digest to 5d6787b (#40194)

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 | `b009735` -> `5d6787b` |

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charts/stable/calibre/Chart.yaml

@@ -35,7 +35,8 @@ name: calibre
 sources:
   - https://ghcr.io/linuxserver/calibre
   - https://github.com/kovidgoyal/calibre/
+  - https://github.com/truecharts/charts/tree/master/charts/stable/calibre
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/calibre
 type: application
-version: 18.12.0
+version: 18.12.1
 

charts/stable/calibre/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/calibre
-  tag: 8.11.1@sha256:b009735abafca871ae8ed1e3c0b9ef237b351d96db99ec5a7581e9f4f79a114c
+  tag: 8.11.1@sha256:5d6787bd6746f67ac2fb0a4ff97331ffe89966cb7734b3876f25e3be51de28b8
   pullPolicy: IfNotPresent
 securityContext:
   container: