chore(deps): update jest monorepo to v28 (major) (#4282)

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

jest.config.js

@@ -24,7 +24,7 @@ module.exports = {
   ],
   transform: {
     '^.+\\.js$': 'babel-jest',
-    '^.+\\.txt$': 'jest-raw-loader',
+    '^.+\\.txt$': '<rootDir>/tests/jest-raw-loader.js',
   },
   transformIgnorePatterns: ['<rootDir>/node_modules/'],
   testEnvironment: 'node',

package.json

@@ -91,15 +91,14 @@
     "async": "3.2.3",
     "babel-core": "7.0.0-bridge.0",
     "babel-gettext-extractor": "4.1.3",
-    "babel-jest": "27.5.1",
+    "babel-jest": "28.0.2",
     "babel-loader": "8.2.5",
     "comment-json": "4.2.2",
-    "eslint-config-amo": "5.4.0",
+    "eslint-config-amo": "5.5.0",
     "github-markdown-css": "5.1.0",
     "gunzip-maybe": "1.4.2",
     "hashish": "0.0.4",
-    "jest": "27.5.1",
-    "jest-raw-loader": "1.0.1",
+    "jest": "28.0.2",
     "lodash.clonedeep": "4.5.0",
     "lodash.ismatchwith": "4.4.0",
     "markdown-it": "13.0.0",

tests/jest-raw-loader.js

@@ -0,0 +1,8 @@
+// See: https://jestjs.io/docs/code-transformation#typescript-with-type-checking
+module.exports = {
+  process(sourceText) {
+    return {
+      code: `module.exports = ${JSON.stringify(sourceText)};`,
+    };
+  },
+};