build(deps): bump langchain-openai in the pip group across 1 directory

Bumps the pip group with 1 update in the / directory: [langchain-openai](https://github.com/langchain-ai/langchain).


Updates `langchain-openai` from 1.1.13 to 1.1.14
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==1.1.13...langchain-openai==1.1.14)

---
updated-dependencies:
- dependency-name: langchain-openai
  dependency-version: 1.1.14
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "jieba==0.42.1",
     "langchain==1.2.15",
     "langchain-core==1.2.30",
-    "langchain-openai==1.1.13",
+    "langchain-openai==1.1.14",
     "langchain-anthropic==1.4.0",
     "langchain-community==0.4.1",
     "langchain-deepseek==1.0.1",