Bump io-event from 1.5.1 to 1.6.0

Bumps [io-event](https://github.com/socketry/io-event) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/socketry/io-event/releases)
- [Changelog](https://github.com/socketry/io-event/blob/main/release.cert)
- [Commits](socketry/io-event@v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: io-event
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -51,7 +51,7 @@ GEM
       yell (~> 2.0)
       zeitwerk (~> 2.5)
     htmlentities (4.3.4)
-    io-event (1.5.1)
+    io-event (1.6.0)
     jmespath (1.6.2)
     json (2.7.2)
     mime-types (3.5.2)