Bump testdouble from 3.11.0 to 3.12.1

Bumps [testdouble](https://github.com/testdouble/testdouble.js) from 3.11.0 to 3.12.1.
- [Release notes](https://github.com/testdouble/testdouble.js/releases)
- [Changelog](https://github.com/testdouble/testdouble.js/blob/master/CHANGELOG.md)
- [Commits](testdouble/testdouble.js@v3.11.0...v3.12.1)

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

package.json

@@ -24,7 +24,7 @@
     "node-fetch": "^2.6.0",
     "nyc": "^14.1.1",
     "teenytest": "^5.2.0",
-    "testdouble": "^3.11.0"
+    "testdouble": "^3.12.1"
   },
   "scripts": {
     "test": "teenytest 'test/**/*-test.js' --helper test/helper.js && ./node_modules/.bin/eslint *.js, **/**.js",

yarn.lock

@@ -2607,9 +2607,9 @@ test-exclude@^5.2.3:
     read-pkg-up "^4.0.0"
     require-main-filename "^2.0.0"
 
-testdouble@^3.11.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/testdouble/-/testdouble-3.11.0.tgz#17d3c3afa21acd2e8144c86f8a0708d49a81a695"
+testdouble@^3.12.1:
+  version "3.12.1"
+  resolved "https://registry.yarnpkg.com/testdouble/-/testdouble-3.12.1.tgz#2cbf69ac9695b38bd93ca4e0322a25d96a5a1ecd"
   dependencies:
     lodash "^4.17.11"
     quibble "^0.5.5"