chore(deps-dev): bump mockdate from 2.0.3 to 2.0.4

Bumps [mockdate](https://github.com/boblauer/MockDate) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/boblauer/MockDate/releases)
- [Commits](https://github.com/boblauer/MockDate/compare/v2.0.3...v2.0.4)

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

package.json

@@ -39,7 +39,7 @@
     "eslint-config-prettier": "6.0.0",
     "eslint-plugin-prettier": "3.1.0",
     "jest": "24.8.0",
-    "mockdate": "2.0.3",
+    "mockdate": "2.0.4",
     "nock": "11.0.0-beta.30",
     "nodemon": "1.19.1",
     "pinyin": "2.9.0",

yarn.lock

@@ -6779,10 +6779,10 @@ mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@
   dependencies:
     minimist "0.0.8"
 
-mockdate@2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/mockdate/-/mockdate-2.0.3.tgz#f4095e5eaea94c5f8b4e0e708f5d79fdff846a66"
-  integrity sha512-/wRyr3grWk3tyk188qjZpeiiAfkAoDPEGqyerretomeeaH0D+pN9MCcedhAwrkxX3a216gp8CwPeQMHfLvrFpA==
+mockdate@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/mockdate/-/mockdate-2.0.4.tgz#105459332b3b7ea13993b690856f221906f59f33"
+  integrity sha512-rQ1mgf9rQU3fh5NtHZGmGwua4A51Jz1LSoJNc21Y9B4KX2AYGx8RMPUbB6E1Fq6uZMS2bioqlHA+26vt4qBiOw==
 
 module-alias@2.2.1:
   version "2.2.1"