Bump ember-cli from 4.12.2 to 5.3.0

Bumps [ember-cli](https://github.com/ember-cli/ember-cli) from 4.12.2 to 5.3.0.
- [Release notes](https://github.com/ember-cli/ember-cli/releases)
- [Changelog](https://github.com/ember-cli/ember-cli/blob/master/CHANGELOG.md)
- [Commits](ember-cli/ember-cli@v4.12.2...v5.3.0)

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

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

package.json

@@ -126,7 +126,7 @@
     "broccoli-uglify-sourcemap": "^4.0.0",
     "common-tags": "^1.8.2",
     "dag-map": "^2.0.2",
-    "ember-cli": "^4.10.0",
+    "ember-cli": "^5.3.0",
     "ember-cli-blueprint-test-helpers": "^0.19.2",
     "ember-cli-browserstack": "^2.0.1",
     "ember-cli-dependency-checker": "^3.3.1",