⬆ Bump opentelemetry-exporter-otlp from 1.37.0 to 1.38.0

Bumps [opentelemetry-exporter-otlp](https://github.com/open-telemetry/opentelemetry-python) from 1.37.0 to 1.38.0.
- [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@v1.37.0...v1.38.0)

---
updated-dependencies:
- dependency-name: opentelemetry-exporter-otlp
  dependency-version: 1.38.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]