Bump @glimmer/component from 1.0.3 to 1.0.4 (#566)
Bump @glimmer/component from 1.0.3 to 1.0.4 (#566)

Bumps [@glimmer/component](https://github.com/glimmerjs/glimmer.js) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/glimmerjs/glimmer.js/releases)
- [Changelog](https://github.com/glimmerjs/glimmer.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/glimmerjs/glimmer.js/compare/v1.0.3...v1.0.4)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
kpfefferle/ember-cli-octicons,kpfefferle/ember-cli-octicons,kpfefferle/ember-octicons,kpfefferle/ember-octicons