chore(helm): update image ghcr.io/suwayomi/tachidesk digest to 6923683 (#30589)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/suwayomi/tachidesk | digest | `e992dec` -> `6923683` |

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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: 8.4.0
+version: 8.4.1

charts/stable/tachidesk-docker/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ghcr.io/suwayomi/tachidesk
-  tag: preview@sha256:e992dec085422dd9989c4f642fa1c98d8831402f2976a08e3bd2aacb002a8420
+  tag: preview@sha256:6923683a7025935924daf212c04bff265ec1e635e55e5a3bcbdd7275e4e7618d
 
 securityContext:
   container: