chore(deps): update dependency ember-auto-import to v2.7.4 (#346)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
     "@glimmer/tracking": "^1.1.2",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "2.4.2",
+    "ember-auto-import": "2.7.4",
     "ember-cli": "^4.1.0",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-inject-live-reload": "^2.1.0",