⬆ Bump langgraph from 0.0.55 to 0.0.62

Bumps [langgraph](https://github.com/langchain-ai/langgraph) from 0.0.55 to 0.0.62.
- [Commits](https://github.com/langchain-ai/langgraph/commits)

---
updated-dependencies:
- dependency-name: langgraph
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,4 +1,4 @@
-langgraph==0.0.55
+langgraph==0.0.62
 pyqt5==5.15.10
 scipy==1.13.1
 pygame==2.5.2