fix: update dependencies

package.json

@@ -19,40 +19,40 @@
     ]
   },
   "dependencies": {
-    "boolean": "^1.0.0",
-    "core-js": "^3.2.1",
+    "boolean": "^2.0.2",
+    "core-js": "^3.3.2",
     "es6-error": "^4.1.1",
     "matcher": "^2.0.0",
     "roarr": "^2.14.1",
     "semver": "^6.3.0",
-    "serialize-error": "^4.1.0"
+    "serialize-error": "^5.0.0"
   },
   "description": "Global HTTP/HTTPS proxy configurable using environment variables.",
   "devDependencies": {
-    "@babel/cli": "^7.6.0",
-    "@babel/core": "^7.6.0",
-    "@babel/node": "^7.6.1",
-    "@babel/plugin-transform-flow-strip-types": "^7.4.4",
-    "@babel/preset-env": "^7.6.0",
-    "@babel/register": "^7.6.0",
+    "@babel/cli": "^7.6.4",
+    "@babel/core": "^7.6.4",
+    "@babel/node": "^7.6.3",
+    "@babel/plugin-transform-flow-strip-types": "^7.6.3",
+    "@babel/preset-env": "^7.6.3",
+    "@babel/register": "^7.6.2",
     "anyproxy": "^4.1.0",
-    "ava": "^2.3.0",
+    "ava": "^2.4.0",
     "axios": "^0.19.0",
     "babel-plugin-istanbul": "^5.2.0",
     "babel-plugin-transform-export-default-name": "^2.0.4",
-    "coveralls": "^3.0.6",
-    "eslint": "^6.3.0",
+    "coveralls": "^3.0.7",
+    "eslint": "^6.5.1",
     "eslint-config-canonical": "^17.7.0",
-    "flow-bin": "^0.107.0",
+    "flow-bin": "^0.109.0",
     "flow-copy-source": "^2.0.8",
     "get-port": "^5.0.0",
     "got": "^9.6.0",
-    "husky": "^3.0.5",
+    "husky": "^3.0.9",
     "nyc": "^14.1.1",
-    "pem": "^1.14.2",
+    "pem": "^1.14.3",
     "request": "^2.88.0",
     "semantic-release": "^15.13.24",
-    "sinon": "^7.4.2"
+    "sinon": "^7.5.0"
   },
   "engines": {
     "node": ">=10.0"