Bump express from 4.16.3 to 4.16.4 (#8228)
Bump express from 4.16.3 to 4.16.4 (#8228)

Bumps [express](https://github.com/expressjs/express) from 4.16.3 to 4.16.4.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.16.3...4.16.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
elwayman02/ember-cli,thoov/ember-cli,raycohen/ember-cli,elwayman02/ember-cli,asakusuma/ember-cli,ember-cli/ember-cli,kategengler/ember-cli,asakusuma/ember-cli,jrjohnson/ember-cli,fpauser/ember-cli,kategengler/ember-cli,mike-north/ember-cli,jgwhite/ember-cli,jgwhite/ember-cli,buschtoens/ember-cli,balinterdi/ember-cli,fpauser/ember-cli,mike-north/ember-cli,raycohen/ember-cli,HeroicEric/ember-cli,mike-north/ember-cli,jgwhite/ember-cli,thoov/ember-cli,Turbo87/ember-cli,ember-cli/ember-cli,jrjohnson/ember-cli,Turbo87/ember-cli,jgwhite/ember-cli,HeroicEric/ember-cli,balinterdi/ember-cli,HeroicEric/ember-cli,buschtoens/ember-cli,fpauser/ember-cli,fpauser/ember-cli,ember-cli/ember-cli,mike-north/ember-cli,Turbo87/ember-cli,thoov/ember-cli,HeroicEric/ember-cli,Turbo87/ember-cli,thoov/ember-cli