chore(deps): bump log from 0.4.20 to 0.4.21 in /rust-peer

Bumps [log](https://github.com/rust-lang/log) from 0.4.20 to 0.4.21.
- [Release notes](https://github.com/rust-lang/log/releases)
- [Changelog](https://github.com/rust-lang/log/blob/master/CHANGELOG.md)
- [Commits](rust-lang/log@0.4.20...0.4.21)

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

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

rust-peer/Cargo.toml

@@ -13,7 +13,7 @@ futures = "0.3.27"
 futures-timer = "3.0.2"
 libp2p = { version = "0.52.3", features = ["identify", "ping", "tokio", "gossipsub", "macros", "relay", "kad", "rsa", "ed25519", "quic", "request-response", "dns", "memory-connection-limits"] }
 libp2p-webrtc = { version = "0.6.0-alpha", features = ["tokio", "pem"] }
-log = "0.4.17"
+log = "0.4.21"
 rand = "0.8.5"
 tokio = { version = "1.27.0", features = ["full"] }
 tokio-util = { version = "0.7", features = ["full"] }