Update Ruby to 2.5.3

.travis.yml

@@ -23,23 +23,23 @@ env:
 
 matrix:
   include:
-    - rvm: 2.4.4
+    - rvm: 2.4.5
       env:
         RSPEC: 1
       script: bundle exec rspec
-    - rvm: 2.5.1
+    - rvm: 2.5.3
       env:
         RSPEC: 1
       script: bundle exec rspec
-    - rvm: 2.5.1
+    - rvm: 2.5.3
       env:
         CHEFSTYLE: 1
       script: bundle exec rake style:chefstyle
-    - rvm: 2.5.1
+    - rvm: 2.5.3
       env:
         COOKSTYLE: 1
       script: bundle exec rake style:cookstyle
-    - rvm: 2.5.1
+    - rvm: 2.5.3
       env:
         FOODCRITIC: 1
       script: bundle exec rake style:foodcritic

omnibus/Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/chef/omnibus-software.git
-  revision: 1736d68a4efe36db6287c34b1d9d3c8226dfd4f3
+  revision: ec8df13fa165b7d3866ee61fc05f060283adc642
   branch: master
   specs:
     omnibus-software (4.0.0)

omnibus_overrides.rb

@@ -16,7 +16,7 @@
 override "makedepend", version: "1.0.5"
 override "ncurses", version: "5.9"
 override "pkg-config-lite", version: "0.28-1"
-override "ruby", version: "2.5.1"
+override "ruby", version: "2.5.3"
 override "ruby-windows-devkit-bash", version: "3.1.23-4-msys-1.0.18"
 override "util-macros", version: "1.19.0"
 override "xproto", version: "7.0.28"