DEV: Update rails_failover.

DEV: Update rails_failover.

diff --git a/Gemfile.lock b/Gemfile.lock
index 92e1f2a..ecb9738 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/discourse/rails_failover
-  revision: 73ceb21624079e007a7d3bf0bf201f0b34dcd6aa
+  revision: a8785298ad5c89869c315d53d5f7243ec9443b55
   specs:
     rails_failover (0.4.0)
       activerecord (~> 6.0)

GitHub sha: a4a33fcc