merge: added jest type for suggestions (TheAlgorithms#959)

Author: fahimfaisaal

package-lock.json

@@ -28,6 +28,7 @@
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.17.0",
+    "@types/jest": "^27.4.1",
     "babel-jest": "^26.3.0",
     "globby": "^12.0.2",
     "husky": "^7.0.4",