Build(deps): Bump rbtrace from 0.4.11 to 0.4.12

Bumps [rbtrace](https://github.com/tmm1/rbtrace) from 0.4.11 to 0.4.12.
- [Release notes](https://github.com/tmm1/rbtrace/releases)
- [Commits](https://github.com/tmm1/rbtrace/compare/v0.4.11...v0.4.12)

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

Gemfile.lock

@@ -296,7 +296,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rbtrace (0.4.11)
+    rbtrace (0.4.12)
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
       optimist (>= 3.0.0)