Update rake version in bundler tests

Author: nobu

spec/bundler/commands/check_spec.rb

@@ -57,7 +57,7 @@
 
     bundle :check, raise_on_error: false
     expect(err).to include("The following gems are missing")
-    expect(err).to include(" * rake (13.2.1)")
+    expect(err).to include(" * rake (13.3.0)")
     expect(err).to include(" * actionpack (2.3.2)")
     expect(err).to include(" * activerecord (2.3.2)")
     expect(err).to include(" * actionmailer (2.3.2)")
@@ -76,7 +76,7 @@
     expect(exitstatus).to be > 0
     expect(err).to include("The following gems are missing")
     expect(err).to include(" * rails (2.3.2)")
-    expect(err).to include(" * rake (13.2.1)")
+    expect(err).to include(" * rake (13.3.0)")
     expect(err).to include(" * actionpack (2.3.2)")
     expect(err).to include(" * activerecord (2.3.2)")
     expect(err).to include(" * actionmailer (2.3.2)")