Use Jest version 27.0.1

See release notes: https://jestjs.io/blog/2021/05/25/jest-27

There is currently one issue with global `afterEach` callbacks order which I workarounded by using `afterAll` (see: jestjs/jest#11456). I will wait for the resolution of that issue and update our code accordingly.

adeira-source-id: 154daeb2c02992787370c74c897cfb6a6164b0ab

package.json

@@ -13,7 +13,7 @@
     "@babel/eslint-parser": "^7.14.3",
     "@babel/runtime": "^7.14.0",
     "eslint": "^7.27.0",
-    "jest-docblock": "^26.0.0"
+    "jest-docblock": "^27.0.1"
   },
   "peerDependencies": {
     "eslint": "^7.27.0"