Bump angular from 1.7.8 to 1.7.9

Bumps [angular](https://github.com/angular/angular.js) from 1.7.8 to 1.7.9.
- [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/v1.7.8...v1.7.9)

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

package.json

@@ -26,7 +26,7 @@
   "dependencies": {
     "@sendgrid/mail": "^6.3.1",
     "@sentry/node": "^5.4.0",
-    "angular": "^1.7.7",
+    "angular": "^1.7.9",
     "angular-reconnecting-websocket": "https://github.com/adieu/angular-reconnecting-websocket#0.1.1",
     "angular-resource": "^1.7.7",
     "angular-route": "^1.7.7",