[Security] Bump lodash in /angular/directives/app-attach-directive

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.15. **This update includes a security fix.**
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.11...4.17.15)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]