Update Babel

Author: renovate[bot]

package.json

@@ -31,8 +31,8 @@
   "devDependencies": {
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
-    "babel-eslint": "8.2.3",
-    "babel-jest": "23.6.0",
+    "babel-eslint": "10.1.0",
+    "babel-jest": "30.0.4",
     "babel-plugin-transform-flow-strip-types": "6.22.0",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-1": "6.24.1",