Bump angular from 1.7.9 to 1.8.0 (#9)

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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -23,7 +23,7 @@
   },
   "homepage": "https://github.com/moshfeu/multi-select-angularjs#readme",
   "dependencies": {
-    "angular": "^1.7.9",
+    "angular": "^1.8.0",
     "jquery": "^3.5.0",
     "jquery.quicksearch": "^2.4.0",
     "multiselect": "^0.9.12"