chore(deps): bump @opentelemetry/exporter-trace-otlp-grpc

Bumps [@opentelemetry/exporter-trace-otlp-grpc](https://github.com/open-telemetry/opentelemetry-js) from 0.38.0 to 0.49.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-js/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-js/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-js@experimental/v0.38.0...experimental/v0.49.1)

---
updated-dependencies:
- dependency-name: "@opentelemetry/exporter-trace-otlp-grpc"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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