Update dependency jest to v30

Author: renovate[bot]

package.json

@@ -91,7 +91,7 @@
     "gulp-newer": "^1.0.0",
     "gulp-plumber": "^1.0.1",
     "gulp-sourcemaps": "^2.2.0",
-    "jest": "^22.4.4",
+    "jest": "^30.0.0",
     "jsinspect": "^0.12.6",
     "minimatch": "^3.0.4",
     "mock-stdin": "^0.3.0",

packages/pkg-tests/package.json

@@ -10,7 +10,7 @@
         "babel-preset-env": "^1.6.1",
         "babel-preset-flow": "^6.23.0",
         "flow-bin": "^0.66.0",
-        "jest": "^23.0.0",
+        "jest": "^30.0.0",
         "jest-junit": "^5.2.0",
         "prettier": "^1.10.2"
     },