feat: use jsdom v15 in jest presets instead of the default v11 (#4607)

Author: haoqunjiang

packages/@vue/cli-plugin-unit-jest/package.json

@@ -32,6 +32,7 @@
     "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
     "deepmerge": "^4.0.0",
     "jest": "^24.8.0",
+    "jest-environment-jsdom-fifteen": "^1.0.0",
     "jest-serializer-vue": "^2.0.2",
     "jest-transform-stub": "^2.0.0",
     "jest-watch-typeahead": "^0.4.0",

packages/@vue/cli-plugin-unit-jest/presets/default/jest-preset.js

@@ -18,6 +18,7 @@ module.exports = {
   moduleNameMapper: {
     '^@/(.*)$': '<rootDir>/src/$1'
   },
+  testEnvironment: 'jest-environment-jsdom-fifteen',
   // serializer for snapshots
   snapshotSerializers: [
     'jest-serializer-vue'