chore(deps): Bump the minor-and-patch group across 1 directory with 2 updates

Bumps the minor-and-patch group with 2 updates in the /a2a/trivia_agent directory: [openai](https://github.com/openai/openai-python) and [opentelemetry-exporter-otlp](https://github.com/open-telemetry/opentelemetry-python).


Updates `openai` from 2.45.0 to 2.48.0
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v2.45.0...v2.48.0)

Updates `opentelemetry-exporter-otlp` from 1.43.0 to 1.44.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-python/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-python/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-python@v1.43.0...v1.44.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 2.46.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-and-patch
- dependency-name: opentelemetry-exporter-otlp
  dependency-version: 1.44.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-and-patch
...

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

Author: dependabot[bot]

a2a/trivia_agent/pyproject.toml

@@ -6,10 +6,10 @@ license = { text = "Apache" }
 requires-python = ">=3.11"
 dependencies = [
     "a2a-sdk[http-server]>=1.1.0",
-    "openai>=2.45.0",
+    "openai>=2.48.0",
     "pydantic-settings>=2.14.2",
     "uvicorn>=0.51.0",
-    "opentelemetry-exporter-otlp>=1.43.0",
+    "opentelemetry-exporter-otlp>=1.44.0",
     "urllib3>=2.7.0",   # Indirect; prevents CVE-2026-44431, CVE-2026-44432
     "pyasn1>=0.6.4",    # Indirect; prevents CVE-2026-30922
 ]