build(deps-dev): bump ember-showdown-prism from 3.2.0 to 4.4.0

Bumps [ember-showdown-prism](https://github.com/empress/ember-showdown-prism) from 3.2.0 to 4.4.0.
- [Release notes](https://github.com/empress/ember-showdown-prism/releases)
- [Changelog](https://github.com/empress/ember-showdown-prism/blob/main/CHANGELOG.md)
- [Commits](empress/ember-showdown-prism@v3.2.0...v4.4.0)

---
updated-dependencies:
- dependency-name: ember-showdown-prism
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]