Update message_bus to 3.3.2.

Update message_bus to 3.3.2.

diff --git a/Gemfile.lock b/Gemfile.lock
index b9638be..6590f33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -181,7 +181,7 @@ GEM
       mini_mime (>= 0.1.1)
     maxminddb (0.1.22)
     memory_profiler (0.9.14)
-    message_bus (3.3.1)
+    message_bus (3.3.2)
       rack (>= 1.1.3)
     method_source (1.0.0)
     mini_mime (1.0.2)

GitHub sha: c2f2b57a