bump langfuse version number

.circleci/config.yml

@@ -33,7 +33,7 @@ jobs:
             pip install "boto3>=1.28.57"
             pip install "aioboto3>=12.3.0"
             pip install langchain
-            pip install "langfuse>=2.0.0"
+            pip install "langfuse>=2.6.3"
             pip install numpydoc
             pip install traceloop-sdk==0.0.69
             pip install openai
@@ -155,7 +155,7 @@ jobs:
             pip install "boto3>=1.28.57"
             pip install "aioboto3>=12.3.0"
             pip install langchain
-            pip install "langfuse>=2.0.0"
+            pip install "langfuse>=2.6.3"
             pip install numpydoc
             pip install prisma            
             pip install fastapi            

docs/my-website/docs/observability/langfuse_integration.md

@@ -15,7 +15,7 @@ join our [discord](https://discord.gg/wuPM9dRgDw)
 ## Pre-Requisites
 Ensure you have run `pip install langfuse` for this integration
 ```shell
-pip install langfuse>=2.0.0 litellm
+pip install langfuse>=2.6.3 litellm
 ```
 
 ## Quick Start

docs/my-website/docs/proxy/logging.md

@@ -406,7 +406,7 @@ We will use the `--config` to set `litellm.success_callback = ["langfuse"]` this
 **Step 1** Install langfuse
 
 ```shell
-pip install langfuse>=2.0.0
+pip install langfuse>=2.6.3
 ```
 
 **Step 2**: Create a `config.yaml` file and set `litellm_settings`: `success_callback`