fix: update dependencies

package.json

@@ -18,27 +18,27 @@
     "https-proxy-agent": "^2.1.0",
     "node-fetch": "^2.0.0-alpha.5",
     "retry": "^0.10.1",
-    "roarr": "^1.7.2",
-    "tough-cookie": "^2.3.2"
+    "roarr": "^2.0.0",
+    "tough-cookie": "^2.3.3"
   },
   "description": "A light-weight HTTP client for Node.js.",
   "devDependencies": {
-    "ava": "^0.22.0",
+    "ava": "^0.23.0",
     "babel-cli": "^6.26.0",
-    "babel-plugin-istanbul": "^4.1.4",
+    "babel-plugin-istanbul": "^4.1.5",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
-    "babel-preset-env": "^1.6.0",
+    "babel-preset-env": "^1.6.1",
     "babel-register": "^6.26.0",
-    "coveralls": "^2.13.1",
-    "eslint": "^4.5.0",
+    "coveralls": "^3.0.0",
+    "eslint": "^4.10.0",
     "eslint-config-canonical": "^9.3.1",
-    "flow-bin": "^0.53.1",
+    "flow-bin": "^0.57.3",
     "flow-copy-source": "^1.2.1",
     "husky": "^0.14.3",
-    "nock": "^9.0.14",
-    "nyc": "^11.1.0",
-    "semantic-release": "^7.0.2"
+    "nock": "^9.0.25",
+    "nyc": "^11.2.1",
+    "semantic-release": "^8.2.0"
   },
   "engines": {
     "node": ">8"