chore(deps-dev): bump testdouble from 3.16.4 to 3.16.6

Bumps [testdouble](https://github.com/testdouble/testdouble.js) from 3.16.4 to 3.16.6.
- [Release notes](https://github.com/testdouble/testdouble.js/releases)
- [Changelog](https://github.com/testdouble/testdouble.js/blob/main/CHANGELOG.md)
- [Commits](https://github.com/testdouble/testdouble.js/compare/v3.16.4...v3.16.6)

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

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

package.json

@@ -65,7 +65,7 @@
     "prettier": "^2.7.1",
     "rollup": "^2.70.1",
     "standard-version": "^9.5.0",
-    "testdouble": "^3.16.4",
+    "testdouble": "^3.16.6",
     "yaml": "^2.1.1"
   }
 }