Update JS dependencies (#31)

Author: avvertix

package.json

@@ -15,9 +15,8 @@
     "axios": "^0.19.0",
     "axios-mock-adapter": "^1.17.0",
     "babel-eslint": "^10.0.3",
-    "cross-env": "^5.2.1",
-    "jest": "^24.9.0",
-    "jest-cli": "^24.9.0",
+    "jest": "^26.1.0",
+    "jest-cli": "^26.1.0",
     "rollup": "^1.21.2",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-eslint": "^7.0.0",