Bump angular from 1.7.9 to 1.8.0

Bumps [angular](https://github.com/angular/angular.js) from 1.7.9 to 1.8.0.
- [Release notes](https://github.com/angular/angular.js/releases)
- [Changelog](https://github.com/angular/angular.js/blob/master/CHANGELOG.md)
- [Commits](angular/angular.js@v1.7.9...v1.8.0)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -10,7 +10,7 @@
     "laravel-elixir": "^5.0.0"
   },
   "dependencies": {
-    "angular": "~1.7.9",
+    "angular": "~1.8.0",
     "angular-messages": "~1.5.8",
     "angular-selectize2": "^1.2.3",
     "angularjs-dropdown-multiselect": "^2.0.0-beta.10",