chore(deps): update container image linuxserver/calibre-web to version-0.6.21@a84c0bb by renovate (#23417)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[linuxserver/calibre-web](https://togithub.com/linuxserver/docker-calibre-web/packages)
([source](https://togithub.com/linuxserver/docker-calibre-web)) | digest
| `35a00ca` -> `a84c0bb` |

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40MDguMyIsInVwZGF0ZWRJblZlciI6IjM3LjQwOC4zIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/calibre-web/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/calibre-web
   - https://hub.docker.com/r/linuxserver/calibre-web
 type: application
-version: 20.0.2
+version: 20.0.3

charts/stable/calibre-web/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: linuxserver/calibre-web
   pullPolicy: IfNotPresent
-  tag: version-0.6.21@sha256:35a00cacfb7ffd7b225ddbb267bdfbaa3fc9cba09fe5a47a96d720bfb4bce869
+  tag: version-0.6.21@sha256:a84c0bb4db5d6160fda447a99efd905fa19baac41b83e4490e3116810de74a34
 securityContext:
   container:
     readOnlyRootFilesystem: false