build(deps): bump tracing-subscriber from 0.3.19 to 0.3.20

Bumps [tracing-subscriber](https://github.com/tokio-rs/tracing) from 0.3.19 to 0.3.20.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](tokio-rs/tracing@tracing-subscriber-0.3.19...tracing-subscriber-0.3.20)

---
updated-dependencies:
- dependency-name: tracing-subscriber
  dependency-version: 0.3.20
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.lock

@@ -118,7 +118,7 @@ new_debug_unreachable = "1.0.4"
 av1-grain = "0.2.3"
 serde-big-array = { version = "0.5.1", optional = true }
 profiling = { version = "1" }
-tracing-subscriber = { version = "0.3.18", optional = true }
+tracing-subscriber = { version = "0.3.20", optional = true }
 tracing-chrome = { version = "0.7.1", optional = true }
 tracing = { version = "0.1.40", optional = true }
 aligned-vec = "0.6.0"