Update dependency ember-a11y-testing to v7.1.0 (#10637)

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

Author: renovate[bot]

package.json

@@ -82,7 +82,7 @@
     "@zestia/ember-auto-focus": "5.1.0",
     "broccoli-asset-rev": "3.0.0",
     "broccoli-funnel": "3.0.8",
-    "ember-a11y-testing": "7.0.2",
+    "ember-a11y-testing": "7.1.0",
     "ember-auto-import": "2.10.0",
     "ember-cli": "6.2.2",
     "ember-cli-babel": "8.2.0",