Bump angular from 1.5.0 to 1.7.9 in /eagle-server/src/main/webapp/app

Bumps [angular](https://github.com/angular/angular.js) from 1.5.0 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/v1.5.0...v1.7.9)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/eagle-server/src/main/webapp/app/package.json b/eagle-server/src/main/webapp/app/package.json
index e83f376..5b03bf2 100644
--- a/eagle-server/src/main/webapp/app/package.json
+++ b/eagle-server/src/main/webapp/app/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "ace-builds": "^1.2.5",
     "admin-lte": "2.3.2",
-    "angular": "1.5.0",
+    "angular": "1.7.9",
     "angular-animate": "1.5.0",
     "angular-cookies": "1.5.0",
     "angular-resource": "1.5.0",