Update jest monorepo to v30

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@babel/core": "7.6.0",
     "@babel/plugin-transform-modules-commonjs": "7.6.0",
     "@babel/preset-env": "7.6.0",
-    "babel-jest": "24.9.0",
+    "babel-jest": "30.0.2",
     "del-cli": "3.0.0",
     "eslint": "6.4.0",
     "eslint-config-prettier": "6.3.0",
@@ -49,7 +49,7 @@
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.1",
     "husky": "3.0.5",
-    "jest": "24.9.0",
+    "jest": "30.0.3",
     "lint-staged": "9.3.0",
     "nock": "11.3.5",
     "prettier": "1.18.2"