chore(deps-dev): bump testdouble from 3.20.0 to 3.20.1

Bumps [testdouble](https://github.com/testdouble/testdouble.js) from 3.20.0 to 3.20.1.
- [Changelog](https://github.com/testdouble/testdouble.js/blob/main/CHANGELOG.md)
- [Commits](testdouble/testdouble.js@v3.20.0...v3.20.1)

---
updated-dependencies:
- dependency-name: testdouble
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -95,7 +95,7 @@
     "stylelint": "^15.11.0",
     "stylelint-config-standard": "^34.0.0",
     "stylelint-prettier": "^4.1.0",
-    "testdouble": "3.20.0",
+    "testdouble": "3.20.1",
     "testdouble-qunit": "^3.0.0",
     "webpack": "^5.89.0"
   },