build(deps): bump clue/connection-manager-extra from 1.3.0 to 1.4.0

Bumps [clue/connection-manager-extra](https://github.com/clue/reactphp-connection-manager-extra) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/clue/reactphp-connection-manager-extra/releases)
- [Changelog](https://github.com/clue/reactphp-connection-manager-extra/blob/1.x/CHANGELOG.md)
- [Commits](clue/reactphp-connection-manager-extra@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: clue/connection-manager-extra
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]