build(deps-dev): bump io-event from 1.7.3 to 1.7.4

Bumps [io-event](https://github.com/socketry/io-event) from 1.7.3 to 1.7.4.
- [Release notes](https://github.com/socketry/io-event/releases)
- [Changelog](https://github.com/socketry/io-event/blob/main/release.cert)
- [Commits](socketry/io-event@v1.7.3...v1.7.4)

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

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

Gemfile.lock

@@ -70,7 +70,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    io-event (1.7.3)
+    io-event (1.7.4)
     jekyll (4.3.4)
       addressable (~> 2.4)
       colorator (~> 1.0)