chore(deps): update container image ghcr.io/suwayomi/tachidesk to preview@873e4df by renovate (#25803)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/suwayomi/tachidesk | digest | `1c5432f` -> `873e4df` |

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charts/stable/tachidesk-docker/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/suwayomi/docker-tachidesk
   - https://github.com/truecharts/charts/tree/master/charts/stable/tachidesk-docker
 type: application
-version: 8.1.6
+version: 8.1.7

charts/stable/tachidesk-docker/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ghcr.io/suwayomi/tachidesk
-  tag: preview@sha256:1c5432fce23a02709541209d06c0fb1c0600fd9ae3ce7b5e5269a2da26360395
+  tag: preview@sha256:873e4dfdb6b42acfba5a5cbd1838dd80a4bb850c91139b483fcac09eb613a15c
 
 securityContext:
   container: