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>
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