Rename LangChain instrumentation package to v2

Author: nagkumar91

instrumentation-genai/README.md

@@ -2,8 +2,8 @@
 | Instrumentation | Supported Packages | Metrics support | Semconv status |
 | --------------- | ------------------ | --------------- | -------------- |
 | [opentelemetry-instrumentation-google-genai](./opentelemetry-instrumentation-google-genai) | google-genai >= 1.0.0 | No | development
-| [opentelemetry-instrumentation-langchain](./opentelemetry-instrumentation-langchain) | langchain >= 0.3.21 | No | development
+| [opentelemetry-instrumentation-langchain-v2](./opentelemetry-instrumentation-langchain-v2) | langchain >= 0.3.21 | No | development
 | [opentelemetry-instrumentation-openai-agents-v2](./opentelemetry-instrumentation-openai-agents-v2) | openai-agents >= 0.3.3 | No | development
 | [opentelemetry-instrumentation-openai-v2](./opentelemetry-instrumentation-openai-v2) | openai >= 1.26.0 | Yes | development
 | [opentelemetry-instrumentation-vertexai](./opentelemetry-instrumentation-vertexai) | google-cloud-aiplatform >= 1.64 | No | development
-| [opentelemetry-instrumentation-weaviate](./opentelemetry-instrumentation-weaviate) | weaviate-client >= 3.0.0,<5.0.0 | No | development
+| [opentelemetry-instrumentation-weaviate](./opentelemetry-instrumentation-weaviate) | weaviate-client >= 3.0.0,<5.0.0 | No | development

instrumentation-genai/opentelemetry-instrumentation-langchain/CHANGELOG.md renamed to instrumentation-genai/opentelemetry-instrumentation-langchain-v2/CHANGELOG.md

@@ -4,4 +4,4 @@ opentelemetry-sdk>=1.31.0
 opentelemetry-exporter-otlp-proto-grpc>=1.31.0
 
 # Uncomment after lanchain instrumetation is released
-# opentelemetry-instrumentation-langchain~=2.0b0.dev
+# opentelemetry-instrumentation-langchain-v2~=2.0b0.dev