chore: bump ipc-channel from 0.18.2 to 0.18.3 in /src/rust

Bumps [ipc-channel](https://github.com/servo/ipc-channel) from 0.18.2 to 0.18.3.
- [Release notes](https://github.com/servo/ipc-channel/releases)
- [Commits](https://github.com/servo/ipc-channel/commits)

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

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

src/rust/Cargo.toml

@@ -42,7 +42,7 @@ extendr-api = { git = "https://github.com/extendr/extendr", rev = "1895bfc8ee223
 ] }
 flume = "0.11.0"
 indenter = "0.3.3"
-ipc-channel = "0.18.1"
+ipc-channel = "0.18.3"
 once_cell = "1.20.0"
 rayon = "1.10.0"
 serde = { version = "1.0.210", features = ["derive"] }