Update event-listener requirement from 3.0.0 to 4.0.0

Updates the requirements on [event-listener](https://github.com/smol-rs/event-listener) to permit the latest version.
- [Release notes](https://github.com/smol-rs/event-listener/releases)
- [Changelog](https://github.com/smol-rs/event-listener/blob/master/CHANGELOG.md)
- [Commits](smol-rs/event-listener@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: event-listener
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -15,7 +15,7 @@ categories = ["asynchronous", "concurrency"]
 exclude = ["/.*"]
 
 [dependencies]
-event-listener = { version = "3.0.0", default-features = false }
+event-listener = { version = "4.0.0", default-features = false }
 event-listener-strategy = { version = "0.3.0", default-features = false }
 pin-project-lite = "0.2.11"