Update machete to 0.0.69

Author: cf-buildpacks-eng

cf.Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem 'machete', git: 'https://github.com/cloudfoundry/machete', tag: 'v0.0.68'
+gem 'machete', git: 'https://github.com/cloudfoundry/machete', tag: 'v0.0.69'
 gem 'buildpack-packager', git: 'https://github.com/cloudfoundry/buildpack-packager', tag: 'v2.3.9'
 gem 'rspec'
 gem 'rspec-instafail'

cf.Gemfile.lock

@@ -11,10 +11,10 @@ GIT
 
 GIT
   remote: https://github.com/cloudfoundry/machete
-  revision: 503660faaa4ef3b41f2718d2c2212fb8accd9959
-  tag: v0.0.68
+  revision: d3350a2c4ed9669ee318994820e8607971031071
+  tag: v0.0.69
   specs:
-    machete (0.0.68)
+    machete (0.0.69)
       childprocess
       httparty
 
@@ -126,4 +126,4 @@ DEPENDENCIES
   rubocop
 
 BUNDLED WITH
-   1.15.1
+   1.15.2