chore(deps): update container image ghcr.io/linuxserver/ubooquity to 2.1.2@1dbd769 (#15241)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/ubooquity](https://togithub.com/linuxserver/docker-ubooquity/packages)
([source](https://togithub.com/linuxserver/docker-ubooquity)) | digest |
`b491581` -> `1dbd769` |

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charts/stable/ubooquity/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: ubooquity
-version: 7.0.20
-appVersion: "2.1.2"
+version: 7.0.21
+appVersion: 2.1.2
 description: Ubooquity is a free, lightweight and easy-to-use home server for your comics and ebooks.
 type: application
 deprecated: false

charts/stable/ubooquity/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/ubooquity
   pullPolicy: IfNotPresent
-  tag: 2.1.2@sha256:b491581197ee223ecf42ea2d932c8aacc62f3520dd1cde4203623f63ac26b21f
+  tag: 2.1.2@sha256:1dbd769b808dbf108b8130986f36365ec66e44e8768409d8fcee8656d8c925ed
 service:
   main:
     ports: