build(deps): require the current yfinance, LangChain and LangGraph releases

- yfinance 1.7.0, langchain-core 1.6.5, langchain-openai 1.6.6, langchain-anthropic 1.7.4, langchain-google-genai 4.4.0, langgraph 1.2.12, langgraph-checkpoint-sqlite 3.1.1
- langchain-aws 1.7.9 for the bedrock extra, and ruff 0.16 for development

pyproject.toml

@@ -9,12 +9,12 @@ description = "TradingAgents: Multi-Agents LLM Financial Trading Framework"
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-    "langchain-core>=0.3.81",
-    "langchain-anthropic>=0.3.15",
-    "langchain-google-genai>=4.0.0",
-    "langchain-openai>=0.3.23",
-    "langgraph>=0.4.8",
-    "langgraph-checkpoint-sqlite>=2.0.0",
+    "langchain-core>=1.6.5",
+    "langchain-anthropic>=1.7.4",
+    "langchain-google-genai>=4.4.0",
+    "langchain-openai>=1.6.6",
+    "langgraph>=1.2.12",
+    "langgraph-checkpoint-sqlite>=3.1.1",
     "pandas>=2.3.0",
     "python-dotenv>=1.0.0",
     "pytz>=2025.2",
@@ -24,19 +24,19 @@ dependencies = [
     "typer>=0.21.0",
     "stockstats>=0.6.5",
     "typing-extensions>=4.14.0",
-    "yfinance>=1.4.1",
+    "yfinance>=1.7.0",
 ]
 
 [project.optional-dependencies]
 dev = [
-    "ruff>=0.15",
+    "ruff>=0.16",
     "pytest>=8.0",
     "pytest-subtests>=0.13",
 ]
 # Amazon Bedrock support (AWS SigV4 auth + boto3). Optional so the core install
 # stays lean: pip install "tradingagents[bedrock]".
 bedrock = [
-    "langchain-aws>=1.5.0",
+    "langchain-aws>=1.7.9",
 ]
 
 [project.scripts]