chore(deps): update container image ghcr.io/actualbudget/actual-server to v23.12.1@439f2ed (#15866)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/actualbudget/actual-server | patch | `23.12.0` -> `23.12.1` |

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charts/stable/actualserver/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/actualbudget/actual-server
   pullPolicy: IfNotPresent
-  tag: 23.12.0@sha256:401774fad59c694946ba552763f52b725d4b2946f83f433191a26c30487e75b2
+  tag: 23.12.1@sha256:439f2ed8d88f6f3616b986d69cf61d5519869507cf74289c403c96b2c48585f8
 securityContext:
   container:
     readOnlyRootFilesystem: false