⬆️ Bump jest to 28.x (#321)

* ⬆️ Bump `jest` to `28.x`
* 🔧 Deprecate `jest.transform` for `babel.config.js`

Author: carloscuesta

babel.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['module:metro-react-native-babel-preset'],
+};

package.json

@@ -18,10 +18,7 @@
     "collectCoverage": true,
     "collectCoverageFrom": [
       "src/**/*.js"
-    ],
-    "transform": {
-      "^.+\\.js$": "<rootDir>/node_modules/react-native/jest/preprocessor.js"
-    }
+    ]
   },
   "repository": {
     "type": "git",
@@ -61,7 +58,7 @@
     "eslint-plugin-react": "^7.27.0",
     "eslint-plugin-react-native": "^4.0.0",
     "flow-bin": "^0.181.1",
-    "jest": "^27.0.4",
+    "jest": "^28.1.1",
     "metro-babel-register": "^0.71.0",
     "react": "^18.0.0",
     "react-native": "^0.69.0",