Update overcommit 0.23.0 -> 0.24.0

.overcommit.yml

@@ -1,3 +1,21 @@
 PreCommit:
+  BundleCheck:
+    enabled: true
+
+  HardTabs:
+    enabled: true
+
+  Rubocop:
+    enabled: true
+    command: ['bundle', 'exec', 'rubocop']
+
+  TrailingWhitespace:
+    enabled: true
+
   TravisLint:
+    enabled: true
+    command: ['bundle', 'exec', 'travis']
     flags: ['lint', '--skip-version-check']
+
+  YamlSyntax:
+    enabled: true

Gemfile

@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gemspec
 
 # Run all pre-commit checks via Overcommit during CI runs
-gem 'overcommit', '0.23.0'
+gem 'overcommit', '0.24.0'
 
 # Pin tool versions (which are executed by Overcommit) for Travis builds
 gem 'rubocop', '0.29.1'