Bump tracing-subscriber from 0.3.7 to 0.3.9

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.3.7 to 0.3.9.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](https://github.com/tokio-rs/tracing/compare/tracing-subscriber-0.3.7...tracing-subscriber-0.3.9)

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

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

Cargo.lock

@@ -2367,11 +2367,12 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.21"
+version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4ed65637b8390770814083d20756f87bfa2c21bf2f110babdc5438351746e4"
+checksum = "aa31669fa42c09c34d94d8165dd2012e8ff3c66aca50f3bb226b68f216f2706c"
 dependencies = [
  "lazy_static",
+ "valuable",
 ]
 
 [[package]]
@@ -2387,9 +2388,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.7"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5312f325fe3588e277415f5a6cca1f4ccad0f248c4cd5a4bd33032d7286abc22"
+checksum = "9e0ab7bdc962035a87fba73f3acca9b8a8d0034c2e6f60b84aeaaddddc155dce"
 dependencies = [
  "ansi_term",
  "sharded-slab",
@@ -2477,6 +2478,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"

Cargo.toml

@@ -106,7 +106,7 @@ version = "0.5"
 version = "0.1"
 
 [dependencies.tracing-subscriber]
-version = "0.3.6"
+version = "0.3.9"
 features = [ "fmt" ]
 
 [dependencies.zip]