chore(deps): update dependency sinon to v8

Author: renovate-bot

package.json

@@ -44,7 +44,7 @@
   "devDependencies": {
     "npm-lifecycle": "2.1.1",
     "nyc": "14.1.1",
-    "sinon": "7.5.0",
+    "sinon": "8.0.0",
     "standard": "12.0.1",
     "standard-version": "7.0.0",
     "tap": "14.10.1",