DEV: Bump message_bus from 3.0.0 to 3.1.0 (#9565)

DEV: Bump message_bus from 3.0.0 to 3.1.0 (#9565)

Bumps message_bus from 3.0.0 to 3.1.0.

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Very safe change introduces new API needed for message filtering.

https://github.com/discourse/message_bus/commit/7fad5a3e7ddb30f9d77fe3b0e4b5de3231d7787d

diff --git a/Gemfile.lock b/Gemfile.lock
index 20306d3..7cb6c2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,7 @@ GEM
       mini_mime (>= 0.1.1)
     maxminddb (0.1.22)
     memory_profiler (0.9.14)
-    message_bus (3.0.0)
+    message_bus (3.1.0)
       rack (>= 1.1.3)
     method_source (0.9.2)
     mini_mime (1.0.2)

GitHub sha: d3dc8fc1

This commit appears in #9565 which was merged by SamSaffron.