chore(package): update nyc and sinon

Author: pvdlg

package.json

@@ -40,10 +40,10 @@
     "get-stream": "^4.0.0",
     "got": "^9.0.0",
     "nock": "^10.0.0",
-    "nyc": "^12.0.1",
+    "nyc": "^13.1.0",
     "p-retry": "^2.0.0",
     "semantic-release": "^15.0.0",
-    "sinon": "^6.0.0",
+    "sinon": "^7.1.1",
     "stream-buffers": "^3.0.2",
     "tempy": "^0.2.1",
     "xo": "^0.23.0"