deps: bump tracing-subscriber from 0.3.19 to 0.3.20 in /rust-peer

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]

rust-peer/Cargo.lock

@@ -24,5 +24,5 @@ signal-hook = "0.3.17"
 tokio = { version = "1.47.1", features = ["full"] }
 tokio-util = { version = "0.7.14", features = ["full"] }
 tracing = "0.1.41"
-tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
+tracing-subscriber = { version = "0.3.20", features = ["env-filter"] }
 unsigned-varint = "0.8.0"