chore: bump chart to 1.5.7

Author: Steffen911

charts/langfuse/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: langfuse
-version: 1.5.6
+version: 1.5.7
 description: Open source LLM engineering platform - LLM observability, metrics, evaluations, prompt management.
 type: application
 keywords:

charts/langfuse/README.md

@@ -1,6 +1,6 @@
 # langfuse
 
-![Version: 1.5.6](https://img.shields.io/badge/Version-1.5.6-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.117.2](https://img.shields.io/badge/AppVersion-3.117.2-informational?style=flat-square)
+![Version: 1.5.7](https://img.shields.io/badge/Version-1.5.7-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.117.2](https://img.shields.io/badge/AppVersion-3.117.2-informational?style=flat-square)
 
 Open source LLM engineering platform - LLM observability, metrics, evaluations, prompt management.