Build(deps): Bump uniform_notifier from 1.14.2 to 1.15.0 (#16241)

Bumps [uniform_notifier](https://github.com/flyerhzm/uniform_notifier) from 1.14.2 to 1.15.0.
- [Release notes](https://github.com/flyerhzm/uniform_notifier/releases)
- [Changelog](https://github.com/flyerhzm/uniform_notifier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flyerhzm/uniform_notifier/compare/v1.14.2...v1.15.0)

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

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

Gemfile.lock

@@ -466,7 +466,7 @@ GEM
     unicorn (6.1.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
-    uniform_notifier (1.14.2)
+    uniform_notifier (1.15.0)
     uri_template (0.7.0)
     webmock (3.14.0)
       addressable (>= 2.8.0)