update dependencies

Author: line0

package.json

@@ -37,18 +37,18 @@
   },
   "peerDependencies": {
     "mocha": "^5.2.0",
-    "nyc": "^11.9.0"
+    "nyc": "^13.1.0"
   },
   "devDependencies": {
-    "chai": "~4.1.2",
+    "chai": "^4.2.0",
     "coveralls": "^3.0.2",
     "eslint-config-hahow": "git+https://github.com/hahow/eslint-config-hahow.git#v4.0.0",
     "gulp": "^3.9.1",
     "mocha": "^5.0.0",
-    "nyc": "^11.4.1",
+    "nyc": "^13.1.0",
     "prettier-eslint-cli": "^4.7.0",
-    "sinon": "~4.1.6",
-    "sinon-chai": "~2.14.0"
+    "sinon": "^7.0.0",
+    "sinon-chai": "^3.2.0"
   },
   "engines": {
     "node": ">= 8"