Bump tracing-subscriber from 0.2.18 to 0.2.19 (#310)

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.2.18 to 0.2.19.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-subscriber-0.2.18...tracing-subscriber-0.2.19)

---
updated-dependencies:
- dependency-name: tracing-subscriber
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>