chore(deps): update dev deps.

Author: Mayank1791989

package.json

@@ -230,20 +230,20 @@
     "which": "1.3.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.5.5",
-    "@babel/core": "^7.5.5",
+    "@babel/cli": "^7.6.0",
+    "@babel/core": "^7.6.0",
     "@babel/plugin-proposal-class-properties": "^7.5.5",
-    "@babel/preset-env": "^7.5.5",
+    "@babel/preset-env": "^7.6.0",
     "@babel/preset-flow": "^7.0.0",
-    "babel-jest": "24.8.0",
+    "babel-jest": "24.9.0",
     "builtin-modules": "3.1.0",
-    "eslint": "6.1.0",
+    "eslint": "6.3.0",
     "eslint-plugin-import": "2.18.2",
     "eslint-plugin-playlyfe": "7.0.1",
-    "jest": "24.8.0",
-    "rollup": "1.18.0",
+    "jest": "24.9.0",
+    "rollup": "1.21.2",
     "rollup-plugin-babel": "4.3.3",
-    "rollup-plugin-commonjs": "10.0.2",
+    "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-progress": "1.1.1",
     "rollup-plugin-terser": "5.1.1",