chore(deps): update container image petersem/posterr to latest@852e536 by renovate (#18214)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| petersem/posterr | digest | `93583c6` -> `852e536` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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### Configuration

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xODMuMiIsInVwZGF0ZWRJblZlciI6IjM3LjE4My4yIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/posterr/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/posterr
   - https://hub.docker.com/r/petersem/posterr
 type: application
-version: 7.1.15
+version: 7.1.16

charts/stable/posterr/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: petersem/posterr
-  tag: latest@sha256:93583c643b4efc40690e9de629bf8879bd414de97a6215a7260ab0e83d47897b
+  tag: latest@sha256:852e5366ddad7ef14b0c3dff713f09ac93386b874f3e2879de1aeb097ee025a7
 service:
   main:
     ports: