build(deps): bump tracing from 0.1.19 to 0.1.21

Bumps [tracing](https://github.com/tokio-rs/tracing) from 0.1.19 to 0.1.21.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](https://github.com/tokio-rs/tracing/compare/tracing-0.1.19...tracing-0.1.21)

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

Cargo.lock

@@ -2798,12 +2798,13 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.19"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d79ca061b032d6ce30c660fded31189ca0b9922bf483cd70759f13a2d86786c"
+checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
 dependencies = [
  "cfg-if",
  "log",
+ "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
 ]
@@ -2821,9 +2822,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bcf46c1f1f06aeea2d6b81f3c863d0930a596c86ad1920d4e5bad6dd1d7119a"
+checksum = "f50de3927f93d202783f4513cda820ab47ef17f624b03c096e86ef00c67e6b5f"
 dependencies = [
  "lazy_static",
 ]

tower-batch/Cargo.toml

@@ -10,7 +10,7 @@ tokio = { version = "0.2.22", features = ["time", "sync", "stream", "tracing"] }
 tower = { version = "0.3", features = ["util", "buffer"] }
 futures-core = "0.3.5"
 pin-project = "0.4.24"
-tracing = "0.1.19"
+tracing = "0.1.21"
 tracing-futures = "0.2.4"
 futures = "0.3.5"
 
@@ -18,7 +18,7 @@ futures = "0.3.5"
 ed25519-zebra = "2.1.0"
 rand = "0.7"
 tokio = { version = "0.2", features = ["full"]}
-tracing = "0.1.19"
+tracing = "0.1.21"
 zebra-test = { path = "../zebra-test/" }
 tower-fallback = { path = "../tower-fallback/" }
 color-eyre = "0.5"

zebra-chain/Cargo.toml

@@ -48,7 +48,7 @@ bitflags = "1.2.1"
 bincode = "1"
 color-eyre = "0.5"
 spandoc = "0.2"
-tracing = "0.1.19"
+tracing = "0.1.21"
 proptest = "0.10"
 proptest-derive = "0.2"
 

zebra-consensus/Cargo.toml

@@ -20,7 +20,7 @@ thiserror = "1.0.20"
 tokio = { version = "0.2.22", features = ["time", "sync", "stream", "tracing"] }
 tower = { version = "0.3", features = ["timeout", "util", "buffer"] }
 tower-util = "0.3"
-tracing = "0.1.19"
+tracing = "0.1.21"
 tracing-futures = "0.2.4"
 
 tower-fallback = { path = "../tower-fallback/" }

zebra-test/Cargo.toml

@@ -13,7 +13,7 @@ lazy_static = "1.4.0"
 tower = { version = "0.3.1", features = ["util"] }
 futures = "0.3.5"
 color-eyre = "0.5.3"
-tracing = "0.1.19"
+tracing = "0.1.21"
 tracing-subscriber = "0.2.12"
 tracing-error = "0.1.2"
 spandoc = "0.2.0"