Bump ember-test-selectors from 6.0.0 to 7.0.0 (#1611)

Bumps [ember-test-selectors](https://github.com/mainmatter/ember-test-selectors) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/mainmatter/ember-test-selectors/releases)
- [Changelog](https://github.com/mainmatter/ember-test-selectors/blob/master/CHANGELOG.md)
- [Commits](mainmatter/ember-test-selectors@v6.0.0...v7.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -142,7 +142,7 @@
     "ember-source": "~5.11.1",
     "ember-source-channel-url": "^3.0.0",
     "ember-template-lint": "^5.13.0",
-    "ember-test-selectors": "^6.0.0",
+    "ember-test-selectors": "^7.0.0",
     "ember-try": "^3.0.0",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",