chore(): move jest param to jest config

jest.config.ts

@@ -36,6 +36,8 @@ const config: Config = {
   // Indicates which provider should be used to instrument code for coverage
   coverageProvider: 'v8',
 
+  detectOpenHandles: true,
+
   // A list of reporter names that Jest uses when writing coverage reports
   // coverageReporters: [
   //   "json",

package.json

@@ -9,8 +9,8 @@
     "index.js"
   ],
   "scripts": {
-    "test": "jest --detectOpenHandles",
-    "test:watch": "jest --detectOpenHandles --watch",
+    "test": "jest",
+    "test:watch": "jest --watch",
     "clean": "rimraf lib dist",
     "build": "tsc --project tsconfig.build.json",
     "build:clean": "npm run clean && npm run build",