Merge pull request #439 from rubycentral/dependabot/bundler/foreman-0.88.1

Bump foreman from 0.87.2 to 0.88.1

Author: amatsuda

Gemfile.lock

@@ -198,7 +198,7 @@ GEM
     fastly (8.10.0)
       typhoeus (~> 1.0, >= 1.0.1)
     ffi (1.17.0)
-    foreman (0.87.2)
+    foreman (0.88.1)
     formatador (1.1.0)
     globalid (1.1.0)
       activesupport (>= 5.0)