prettier

8855a0c4 - Bump @angular/compiler from 9.1.7 to 9.1.9 (#8369)

Bump @angular/compiler from 9.1.7 to 9.1.9 (#8369) Bumps [@angular/compiler](https://github.com/angular/angular/tree/HEAD/packages/compiler) from 9.1.7 to 9.1.9. - [Release notes](https://github.com/angular/angular/releases) - [Changelog](https://github.com/angular/angular/blob/master/CHANGELOG.md) - [Commits](https://github.com/angular/angular/commits/9.1.9/packages/compiler) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>