build(deps): bump tracing from 0.1.17 to 0.1.21 (#226)

Bumps [tracing](https://github.com/tokio-rs/tracing) from 0.1.17 to 0.1.21.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](https://github.com/tokio-rs/tracing/compare/tracing-0.1.17...tracing-0.1.21)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Cargo.lock

@@ -2127,12 +2127,13 @@ checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
 [[package]]
 name = "tracing"
-version = "0.1.17"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbdf4ccd1652592b01286a5dbe1e2a77d78afaa34beadd9872a5f7396f92aaa9"
+checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
 dependencies = [
  "cfg-if",
  "log",
+ "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
 ]
@@ -2150,9 +2151,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.11"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94ae75f0d28ae10786f3b1895c55fe72e79928fd5ccdebb5438c75e93fec178f"
+checksum = "f50de3927f93d202783f4513cda820ab47ef17f624b03c096e86ef00c67e6b5f"
 dependencies = [
  "lazy_static",
 ]