chore: update all devDependencies

Author: ZauberNerd

package.json

@@ -45,20 +45,20 @@
     "recast": "0.12.6 || 0.13.0"
   },
   "devDependencies": {
-    "ava": "0.22.0",
+    "ava": "0.25.0",
     "babel-cli": "6.26.0",
-    "babel-eslint": "6.1.2",
+    "babel-eslint": "8.2.3",
     "babel-plugin-syntax-flow": "6.18.0",
     "babel-plugin-transform-flow-strip-types": "6.22.0",
     "babel-plugin-transform-runtime": "6.23.0",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-1": "6.24.1",
     "babel-register": "^6.14.0",
-    "eslint": "3.4.0",
-    "flow-bin": "0.54.0",
-    "react-docgen": "3.0.0-beta11",
+    "eslint": "4.19.1",
+    "flow-bin": "0.73.0",
+    "react-docgen": "3.0.0-beta12",
     "recast": "0.13.0",
-    "rimraf": "2.6.1",
-    "test-all-versions": "3.3.2"
+    "rimraf": "2.6.2",
+    "test-all-versions": "3.3.3"
   }
 }