chore(helm): update image ghcr.io/linuxserver/calibre digest to bccd97d (#28200)

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 | `1c4559f` -> `bccd97d` |

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to pin your dependencies.

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charts/stable/calibre/Chart.yaml

@@ -32,4 +32,4 @@ sources:
   - https://github.com/kovidgoyal/calibre/
   - https://github.com/truecharts/charts/tree/master/charts/stable/calibre
 type: application
-version: 16.9.0
+version: 16.9.1

charts/stable/calibre/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/calibre
-  tag: 7.20.0@sha256:1c4559f8d1504190e9a12a5115b19595bd370e1f6562d18077ad33756c8f4a63
+  tag: 7.20.0@sha256:bccd97d3242ef8a768ff5daae8872ac498bdb3ccd7619f49e78ccec2e5203918
   pullPolicy: IfNotPresent
 securityContext:
   container: