chore(deps): update opentelemetry-api requirement

Updates the requirements on [opentelemetry-api](https://github.com/open-telemetry/opentelemetry-python) to permit the latest version.
- [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@v1.39.0...v1.44.0)

---
updated-dependencies:
- dependency-name: opentelemetry-api
  dependency-version: 1.44.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -85,7 +85,7 @@ dependencies = [
     # ========= 可观测性 (默认安装) =========
     # goal-00: 由 ==1.37.0 放宽到 [1.39, 1.41.1],取 adk 1.34.x(otel<=1.41.1)与
     # adk 2.x(otel 1.39~1.42.1)的交集,使默认即可解析到 adk 2.x(支持 2.x)。
-    "opentelemetry-api>=1.39.0,<=1.41.1",
+    "opentelemetry-api>=1.39.0,<=1.44.0",
     "opentelemetry-sdk>=1.39.0,<=1.41.1",
     "opentelemetry-exporter-otlp>=1.39.0,<=1.41.1",
 ]