Update dependency ember-cli-code-coverage to v2.1.1 (#8175)

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

Author: renovate[bot]

package.json

@@ -78,7 +78,7 @@
     "ember-cli-app-version": "6.0.1",
     "ember-cli-babel": "8.2.0",
     "ember-cli-bundle-analyzer": "1.0.0",
-    "ember-cli-code-coverage": "2.1.0",
+    "ember-cli-code-coverage": "2.1.1",
     "ember-cli-dependency-checker": "3.3.2",
     "ember-cli-dependency-lint": "2.0.1",
     "ember-cli-deprecation-workflow": "2.2.0",