Merge pull request #236 from redis-rb/dependabot/bundler/connection_pool-2.5.3

Bump connection_pool from 2.5.1 to 2.5.3

Author: byroot

Gemfile.lock

@@ -12,7 +12,7 @@ GEM
     benchmark (0.4.0)
     benchmark-ips (2.14.0)
     byebug (11.1.3)
-    connection_pool (2.5.1)
+    connection_pool (2.5.3)
     hiredis (0.6.3)
     hiredis (0.6.3-java)
     json (2.7.6)