Update langchain-openai requirement in /libs/langchain-mongodb

Updates the requirements on [langchain-openai](https://github.com/langchain-ai/langchain) to permit the latest version.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==0.2.14...langchain-openai==1.0.2)

---
updated-dependencies:
- dependency-name: langchain-openai
  dependency-version: 1.0.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

libs/langchain-mongodb/pyproject.toml

@@ -34,7 +34,7 @@ dev = [
     "mypy>=1.10",
     "simsimd>=6.5.0",
     "langchain-ollama>=0.2.2,<1.0",
-    "langchain-openai>=0.2.14,<1.0",
+    "langchain-openai>=0.2.14,<2.0",
     "langchain-community>=0.3.27,<1.0",
     "pypdf>=5.0.1",
     "langgraph>=0.2.72",