chore(package): update dependencies

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
     "@material-ui/core": "^3.7.0",
     "@material-ui/icons": "^3.0.1",
     "@material-ui/lab": "^3.0.0-alpha.26",
-    "ajv": "^5.2.3",
+    "ajv": "^6.6.2",
     "babel-runtime": "^6.26.0",
     "core-js": "^2.5.7",
     "lodash.topath": "^4.5.2",
@@ -60,48 +60,48 @@
     "atob": "^2.0.3",
     "babel-cli": "^6.18.0",
     "babel-core": "^6.26.3",
-    "babel-eslint": "^7.2.3",
-    "babel-loader": "^7.1.5",
-    "babel-plugin-react-transform": "^2.0.2",
+    "babel-eslint": "^10.0.1",
+    "babel-loader": "^8.0.5",
+    "babel-plugin-react-transform": "^3.0.0",
     "babel-plugin-transform-class-properties": "^6.18.0",
     "babel-plugin-transform-object-rest-spread": "^6.16.0",
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-env": "^1.7.0",
     "babel-preset-react": "^6.16.0",
     "babel-register": "^6.18.0",
-    "chai": "^3.3.0",
+    "chai": "^4.2.0",
     "codemirror": "^5.30.0",
-    "cross-env": "^2.0.1",
-    "css-loader": "^0.23.1",
-    "eslint": "^4.9.0",
-    "eslint-config-react-app": "^2.0.1",
-    "eslint-plugin-flowtype": "^2.39.1",
+    "cross-env": "^5.2.0",
+    "css-loader": "^2.1.0",
+    "eslint": "^5.12.0",
+    "eslint-config-react-app": "^3.0.6",
+    "eslint-plugin-flowtype": "^3.2.1",
     "eslint-plugin-import": "^2.7.0",
-    "eslint-plugin-jsx-a11y": "^5.1.1",
+    "eslint-plugin-jsx-a11y": "^6.1.2",
     "eslint-plugin-react": "^7.4.0",
     "estraverse": "^4.2.0",
     "estraverse-fb": "^1.3.1",
     "express": "^4.14.0",
-    "gh-pages": "^0.11.0",
+    "gh-pages": "^2.0.1",
     "html": "^1.0.0",
-    "husky": "^0.13.2",
-    "jsdom": "^8.3.0",
+    "husky": "^1.3.1",
+    "jsdom": "^13.1.0",
     "json-loader": "^0.5.7",
-    "lint-staged": "^3.3.1",
-    "mini-css-extract-plugin": "^0.4.3",
+    "lint-staged": "^8.1.0",
+    "mini-css-extract-plugin": "^0.5.0",
     "mocha": "^5.2.0",
     "prettier": "^1.15.1",
     "react": "^16.6.3",
     "react-addons-test-utils": "^15.3.2",
-    "react-codemirror2": "^4.1.0",
+    "react-codemirror2": "^5.1.0",
     "react-dom": "^16.6.3",
     "react-transform-catch-errors": "^1.0.0",
     "react-transform-hmr": "^1.0.1",
     "redbox-react": "^1.3.3",
     "rimraf": "^2.5.4",
-    "sinon": "^1.17.6",
-    "style-loader": "^0.13.1",
-    "toctoc": "^0.2.3",
+    "sinon": "^7.2.2",
+    "style-loader": "^0.23.1",
+    "toctoc": "^0.3.2",
     "webpack": "^4.20.2",
     "webpack-cli": "^3.1.2",
     "webpack-dev-middleware": "^3.4.0",