Bump ember-css-modules from 1.3.0-beta.2 to 1.3.0

Bumps [ember-css-modules](https://github.com/salsify/ember-css-modules) from 1.3.0-beta.2 to 1.3.0.
- [Release notes](https://github.com/salsify/ember-css-modules/releases)
- [Changelog](https://github.com/salsify/ember-css-modules/blob/master/CHANGELOG.md)
- [Commits](salsify/ember-css-modules@v1.3.0-beta.2...v1.3.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -67,7 +67,7 @@
     "ember-cli-uglify": "^3.0.0",
     "ember-click-outside": "^1.3.0",
     "ember-concurrency": "^1.1.7",
-    "ember-css-modules": "^1.3.0-beta.2",
+    "ember-css-modules": "^1.3.0",
     "ember-data": "~3.17.0",
     "ember-disable-prototype-extensions": "^1.1.3",
     "ember-exam": "^5.0.1",