build(jest): enable coverage on runs (gitify-app#881)

Author: setchy

jest.config.js

@@ -1,19 +1,18 @@
 const config = {
-  "preset": "ts-jest/presets/js-with-ts",
-  "setupFiles": [
-    "<rootDir>/src/__helpers__/setupEnvVars.js"
-  ],
-  "testEnvironment": "jsdom",
-  "coverageThreshold": {
-    "global": {
-      "lines": 90
-    }
+  preset: 'ts-jest/presets/js-with-ts',
+  setupFiles: ['<rootDir>/src/__helpers__/setupEnvVars.js'],
+  testEnvironment: 'jsdom',
+  collectCoverage: true,
+  coverageThreshold: {
+    global: {
+      lines: 90,
+    },
   },
-  "moduleNameMapper": {
+  moduleNameMapper: {
     // Force CommonJS build for http adapter to be available.
     // via https://github.com/axios/axios/issues/5101#issuecomment-1276572468
     '^axios$': require.resolve('axios'),
   },
-}
+};
 
 module.exports = config;