Chore(deps): bump myclabs/php-enum from 1.8.4 to 1.8.5 (#39)

Bumps [myclabs/php-enum](https://github.com/myclabs/php-enum) from 1.8.4 to 1.8.5.
- [Release notes](https://github.com/myclabs/php-enum/releases)
- [Commits](myclabs/php-enum@1.8.4...1.8.5)

---
updated-dependencies:
- dependency-name: myclabs/php-enum
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -19,7 +19,7 @@
     "react/event-loop": "v1.5.0",
     "react/promise": "v3.2.0",
     "react/http": "v1.11.0",
-    "myclabs/php-enum": "^1.8.4",
+    "myclabs/php-enum": "^1.8.5",
     "monolog/monolog": "^3.8.1",
     "ramsey/uuid": "^4.7.6"
   },