build(deps): bump langchain-openai from 0.2.14 to 0.3.0 in /application

Bumps [langchain-openai](https://github.com/langchain-ai/langchain) from 0.2.14 to 0.3.0.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==0.2.14...langchain-openai==0.3.0)

---
updated-dependencies:
- dependency-name: langchain-openai
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

application/requirements.txt

@@ -31,7 +31,7 @@ kombu==5.4.2
 langchain==0.3.14
 langchain-community==0.3.14
 langchain-core==0.3.29
-langchain-openai==0.2.14
+langchain-openai==0.3.0
 langchain-text-splitters==0.3.5
 langsmith==0.2.6
 lazy-object-proxy==1.10.0