build(deps): bump langsmith from 0.1.125 to 0.1.139 in /application

Bumps [langsmith](https://github.com/langchain-ai/langsmith-sdk) from 0.1.125 to 0.1.139.
- [Release notes](https://github.com/langchain-ai/langsmith-sdk/releases)
- [Commits](langchain-ai/langsmith-sdk@v0.1.125...v0.1.139)

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

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

application/requirements.txt

@@ -33,7 +33,7 @@ langchain-community==0.3.0
 langchain-core==0.3.2
 langchain-openai==0.2.0
 langchain-text-splitters==0.3.0
-langsmith==0.1.125
+langsmith==0.1.139
 lazy-object-proxy==1.10.0
 lxml==5.3.0
 markupsafe==2.1.5