Bumps [gopkg.in/DataDog/dd-trace-go.v1](https://github.com/DataDog/dd-trace-go) from 1.37.1 to 1.38.0.
- [Release notes](https://github.com/DataDog/dd-trace-go/releases)
- [Commits](https://github.com/DataDog/dd-trace-go/compare/v1.37.1...v1.38.0)

---
updated-dependencies:
- dependency-name: gopkg.in/DataDog/dd-trace-go.v1
  dependency-type: direct:production
  update-type: version-update:semver-minor
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