Update rake to avoid security warning

JonRowe · JonRowe · commit d1ca7cbb366d · 2020-04-07T10:49:21.000+01:00
diff --git a/Gemfile b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
-gem "rake", "~> 12.0.0"
+gem "rake", "~> 12.3.2"
 gem "thor", "~> 0.14.6"
 gem "octokit", "~> 2.7"
