Update dependency jest to v27 (#17218)

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: William Durand <will+git@drnd.me>

jest.config.js

@@ -3,4 +3,5 @@
 module.exports = {
   setupFiles: ['<rootDir>/tests/js/setup.js'],
   testMatch: ['<rootDir>/tests/js/**/*.spec.js'],
+  testEnvironment: 'jsdom',
 };

package.json

@@ -23,7 +23,7 @@
     "underscore": "1.13.1"
   },
   "devDependencies": {
-    "jest": "^26.1.0",
+    "jest": "^27.0.0",
     "jest-date-mock": "^1.0.8",
     "prettier": "^2.0.5",
     "terser": "^5.0.0"