chore(deps): bump openai-agents in /apps/orchestrator

Bumps [openai-agents](https://github.com/openai/openai-agents-python) from 0.13.6 to 0.14.3.
- [Release notes](https://github.com/openai/openai-agents-python/releases)
- [Changelog](https://github.com/openai/openai-agents-python/blob/main/docs/release.md)
- [Commits](openai/openai-agents-python@v0.13.6...v0.14.3)

---
updated-dependencies:
- dependency-name: openai-agents
  dependency-version: 0.14.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

apps/orchestrator/requirements.txt

@@ -27,7 +27,7 @@ google-genai==1.73.1
 # TEMP BLOCKER: current runtime imports `agents.*` modules in
 # `apps/orchestrator/src/openvibecoding_orch/**`; removing this now breaks runtime.
 # Minimal fallback for now is to keep this dependency until agents runtime is migrated.
-openai-agents==0.13.6
+openai-agents==0.14.3
 temporalio==1.22.0
 duckduckgo-search==8.1.1
 

apps/orchestrator/setup.cfg

@@ -32,7 +32,7 @@ install_requires =
     opentelemetry-exporter-otlp-proto-http==1.41.0
     playwright==1.58.0
     google-genai==1.73.1
-    openai-agents==0.13.6
+    openai-agents==0.14.3
     temporalio==1.22.0
     duckduckgo-search==8.1.1
     lxml==6.1.0