Update dependency langchain to v1.4.0 (open-telemetry#645)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docs-requirements.txt

@@ -12,7 +12,7 @@ anthropic>=1.5.0
 boto3>=1.43.92
 claude-agent-sdk>=0.2.152
 google-genai>=2.22.0
-langchain>=1.3.18
+langchain>=1.4.0
 llama-index-core>=0.14.24
 openai>=2.54.0
 openai-agents>=0.22.2

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/agent/requirements.txt

@@ -1,4 +1,4 @@
-langchain>=1.3.18
+langchain>=1.4.0
 langchain-openai>=1.6.2
 langgraph>=1.2.11
 opentelemetry-sdk>=1.43.0

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/manual/pyproject.toml

@@ -4,7 +4,7 @@ version = "0.0.0"
 description = "Manual instrumentation example for the OpenTelemetry LangChain instrumentation."
 requires-python = ">=3.10"
 dependencies = [
-  "langchain==1.3.18",
+  "langchain==1.4.0",
   "langchain-openai>=1.3.4",
   "opentelemetry-sdk>=1.43.0",
   "opentelemetry-exporter-otlp-proto-grpc>=1.43.0",

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/manual/requirements.txt

@@ -1,4 +1,4 @@
-langchain==1.3.18
+langchain==1.4.0
 langchain-openai>=1.6.2
 opentelemetry-sdk>=1.43.0
 opentelemetry-exporter-otlp-proto-grpc>=1.43.0

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/manual/uv.lock

@@ -1,4 +1,4 @@
-langchain==1.3.18
+langchain==1.4.0
 langchain-openai>=1.6.2
 langgraph>=1.2.11
 opentelemetry-sdk>=1.43.0

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/tools/requirements.txt

@@ -1,4 +1,4 @@
-langchain>=1.3.18
+langchain>=1.4.0
 langchain-openai>=1.6.2
 langgraph>=1.2.11
 opentelemetry-sdk>=1.43.0

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/workflow/requirements.txt

@@ -4,7 +4,7 @@ version = "0.0.0"
 description = "Zero-code instrumentation example for the OpenTelemetry LangChain instrumentation."
 requires-python = ">=3.10"
 dependencies = [
-  "langchain==1.3.18",
+  "langchain==1.4.0",
   "langchain-openai>=1.3.4",
   "opentelemetry-sdk>=1.43.0",
   "opentelemetry-exporter-otlp-proto-grpc>=1.43.0",

instrumentation/opentelemetry-instrumentation-genai-langchain/examples/zero-code/pyproject.toml

@@ -1,4 +1,4 @@
-langchain==1.3.18
+langchain==1.4.0
 langchain-openai>=1.6.2
 opentelemetry-sdk>=1.43.0
 opentelemetry-exporter-otlp-proto-grpc>=1.43.0