chore(deps): bump sentry-tracing from 0.31.7 to 0.31.8 (#747)

Bumps [sentry-tracing](https://github.com/getsentry/sentry-rust) from 0.31.7 to 0.31.8.
- [Release notes](https://github.com/getsentry/sentry-rust/releases)
- [Changelog](https://github.com/getsentry/sentry-rust/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-rust@0.31.7...0.31.8)

---
updated-dependencies:
- dependency-name: sentry-tracing
  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>

Author: dependabot[bot]

Cargo.lock

@@ -45,7 +45,7 @@ multihash = { version = "0.18" }
 pathdiff = { version = "0.2.1" }
 rand = { version = "0.8" }
 reqwest = { version = "=0.11.20", default-features = false, features = ["json", "rustls-tls", "stream"] }
-sentry-tracing = { version = "0.31.7" }
+sentry-tracing = { version = "0.31.8" }
 serde = { version = "^1" }
 serde_json = { version = "^1" }
 serde_urlencoded = { version = "~0.7" }