chore(helm): update image ghcr.io/linuxserver/calibre digest to cde4870 (#41952)

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 | `710025b` -> `cde4870` |

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charts/stable/calibre/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://github.com/kovidgoyal/calibre/
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/calibre
 type: application
-version: 18.20.0
+version: 18.20.1
 

charts/stable/calibre/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/calibre
-  tag: 8.15.0@sha256:710025b65fbce4832fc5ed9905c2908e1d8a8fef334ae0403879db641e818f61
+  tag: 8.15.0@sha256:cde48704668d1dcf911653f975b9f16ce28327e486490543f0125ed8088d6701
   pullPolicy: IfNotPresent
 securityContext:
   container: