build(deps): bump tracing-subscriber from 0.2.25 to 0.3.1 (#1328)

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.2.25 to 0.3.1.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-subscriber-0.2.25...tracing-subscriber-0.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit a4175b8)
Signed-off-by: Oliver Gould <ver@buoyant.io>

Cargo.lock

@@ -2357,9 +2357,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cf865b5ddc38e503a29c41c4843e616a73028ae18c637bc3eb2afaef4909c84"
+checksum = "80a4ddde70311d8da398062ecf6fc2c309337de6b0f77d6c27aff8d53f6fca52"
 dependencies = [
  "ansi_term",
  "lazy_static",