Bump espeak-ruby from 1.0.4 to 1.0.5 (#2238)

Bumps [espeak-ruby](https://github.com/dejan/espeak-ruby) from 1.0.4 to 1.0.5.
- [Release notes](https://github.com/dejan/espeak-ruby/releases)
- [Changelog](https://github.com/dejan/espeak-ruby/blob/master/CHANGELOG)
- [Commits](https://github.com/dejan/espeak-ruby/compare/v1.0.4...v1.0.5)

---
updated-dependencies:
- dependency-name: espeak-ruby
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

Gemfile.lock

@@ -53,7 +53,7 @@ GEM
       http_parser.rb (~> 0)
     equalizer (0.0.11)
     erubis (2.7.0)
-    espeak-ruby (1.0.4)
+    espeak-ruby (1.0.5)
     event_emitter (0.2.6)
     eventmachine (1.2.7)
     execjs (2.8.1)