Bump yard from 0.9.12 to 0.9.16

Bumps [yard](https://github.com/lsegal/yard) from 0.9.12 to 0.9.16.
- [Release notes](https://github.com/lsegal/yard/releases)
- [Changelog](https://github.com/lsegal/yard/blob/master/CHANGELOG.md)
- [Commits](lsegal/yard@v0.9.12...v0.9.16)

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

Gemfile.lock

@@ -389,7 +389,7 @@ GEM
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
-    yard (0.9.12)
+    yard (0.9.16)
 
 PLATFORMS
   ruby