Bump tracing-core from 0.1.27 to 0.1.28

Bumps [tracing-core](https://github.com/tokio-rs/tracing) from 0.1.27 to 0.1.28.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-core-0.1.27...tracing-core-0.1.28)

---
updated-dependencies:
- dependency-name: tracing-core
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]