Use consistent semver of ember-require-module

Currently ember-cp-validations requires ^0.1.1 which resolves to 0.1.2, while ember-validators requires 0.1.1. This causes two versions of ember-require-module being installed.

$ ember dependency-lint
ember-require-module
Allowed: (any single version)
Found: 0.1.2, 0.1.1
my-app
└─┬ ember-cp-validations
  ├── ember-require-module@0.1.2
  └─┬ ember-validators
    └── ember-require-module@0.1.1

adopted-ember-addons / ember-validators

Use consistent semver of ember-require-module #52