chore(deps): update dependency coveralls to v3

Author: renovate-bot

package-lock.json

@@ -101,7 +101,7 @@
     "concurrently": "3.6.1",
     "conventional-changelog": "3.0.6",
     "core-js": "2.6.5",
-    "coveralls": "2.13.3",
+    "coveralls": "3.0.3",
     "csv-write-stream": "2.0.0",
     "delete-empty": "2.0.0",
     "fastify-static": "0.14.0",