build(deps-dev): bump @angular/animations from 6.1.8 to 6.1.9

Bumps [@angular/animations](https://github.com/angular/angular) from 6.1.8 to 6.1.9.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/master/CHANGELOG.md)
- [Commits](angular/angular@6.1.8...6.1.9)

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

Author: dependabot-support

yarn.lock

@@ -3,8 +3,8 @@
 
 
 "@angular/animations@^6.1.2":
-  version "6.1.8"
-  resolved "https://registry.yarnpkg.com/@angular/animations/-/animations-6.1.8.tgz#a1861c7f63aca5bd18ba48e0c736ee7b1f2dac36"
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@angular/animations/-/animations-6.1.9.tgz#1d87469e6f6b89a8713570dfbe97700ea85bd007"
   dependencies:
     tslib "^1.9.0"