Bump ember-cli from 3.21.2 to 3.25.3

Bumps [ember-cli](https://github.com/ember-cli/ember-cli) from 3.21.2 to 3.25.3.
- [Release notes](https://github.com/ember-cli/ember-cli/releases)
- [Changelog](https://github.com/ember-cli/ember-cli/blob/v3.25.3/CHANGELOG.md)
- [Commits](ember-cli/ember-cli@v3.21.2...v3.25.3)

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

Author: dependabot-preview[bot]

package.json

@@ -37,7 +37,7 @@
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~3.21.2",
+    "ember-cli": "~3.25.3",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-htmlbars": "^5.7.1",
     "ember-cli-inject-live-reload": "^2.0.2",