chore(deps): update container image ich777/openttdserver to latest@259924c by renovate (#26469)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ich777/openttdserver | digest | `12360e2` -> `259924c` |

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charts/stable/openttd/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://hub.docker.com/r/ich777/openttdserver
   - https://www.openttd.org/
 type: application
-version: 7.1.6
+version: 7.1.7

charts/stable/openttd/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ich777/openttdserver
-  tag: latest@sha256:12360e2c81b13b5d438b5716bddece19acbbd5ec5a7d36547b711b77a0a5b758
+  tag: latest@sha256:259924c45cb21e1dcb0f59c4b3d755db7e06e048159465d66cb215b3eabf8cdd
 persistence:
   serverfiles:
     enabled: true