Merge pull request #1505 from gocd/dependabot/bundler/benchmark-0.5.0

Bump benchmark from 0.4.1 to 0.5.0

Author: chadlwilson

Gemfile.lock

@@ -53,7 +53,7 @@ GEM
     aws-sigv4 (1.12.1)
       aws-eventstream (~> 1, >= 1.0.2)
     base64 (0.3.0)
-    benchmark (0.4.1)
+    benchmark (0.5.0)
     bigdecimal (3.2.3)
     coffee-script (2.4.1)
       coffee-script-source