Bump rollbar from 2.23.1 to 2.23.2 (#118)

Bumps [rollbar](https://github.com/rollbar/rollbar-gem) from 2.23.1 to 2.23.2.
- [Release notes](https://github.com/rollbar/rollbar-gem/releases)
- [Changelog](https://github.com/rollbar/rollbar-gem/blob/master/CHANGELOG.md)
- [Commits](rollbar/rollbar-gem@v2.23.1...v2.23.2)

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

Gemfile.lock

@@ -160,7 +160,7 @@ GEM
     responders (3.0.0)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rollbar (2.23.1)
+    rollbar (2.23.2)
     rspec-core (3.9.0)
       rspec-support (~> 3.9.0)
     rspec-expectations (3.9.0)