fix(deps): update container image linuxserver/calibre-web to version-0.6.21 (#15101)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[linuxserver/calibre-web](https://togithub.com/linuxserver/docker-calibre-web)
| digest | `be1f747` -> `d40cbc6` |

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charts/stable/calibre-web/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: "0.6.21"
+appVersion: 0.6.21
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
@@ -22,7 +22,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/calibre-web
   - https://github.com/janeczku/calibre-web
 type: application
-version: 15.0.11
+version: 15.0.12
 annotations:
   truecharts.org/category: media
   truecharts.org/SCALE-support: "true"

charts/stable/calibre-web/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: linuxserver/calibre-web
   pullPolicy: IfNotPresent
-  tag: version-0.6.21@sha256:be1f747621c11e3c350c4cefab5cc4987da13c85ec782183c72421810489227e
+  tag: version-0.6.21@sha256:d40cbc67888c13212557a47a75d76d4750efed84c4e660749a9f6b17424db2f3
 securityContext:
   container:
     readOnlyRootFilesystem: false