Bump angular from 1.7.6 to 1.7.7 in /js

Bumps [angular](https://github.com/angular/angular.js) from 1.7.6 to 1.7.7.
- [Release notes](https://github.com/angular/angular.js/releases)
- [Changelog](https://github.com/angular/angular.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/angular/angular.js/compare/v1.7.6...v1.7.7)

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

js/package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@uirouter/angularjs": "^1.0.22",
-    "angular": "^1.7.6",
+    "angular": "^1.7.7",
     "angular-animate": "^1.7.7",
     "angular-file-upload": "^2.5.0",
     "angular-markdown-it": "^0.6.1",