Update dependency sinon to v7.4.2

Author: renovate-bot

package.json

@@ -36,7 +36,7 @@
     "eslint": "5.12.1",
     "eslint-config-holidaycheck": "0.13.1",
     "eslint-plugin-node": "8.0.1",
-    "sinon": "7.2.3",
+    "sinon": "7.4.2",
     "vm2": "3.6.6"
   },
   "dependencies": {