Update dependency codecov to v3.6.5

Author: renovate-bot

package-lock.json

@@ -19,7 +19,7 @@
   "devDependencies": {
     "@types/form-data": "2.2.1",
     "@types/mocha": "7.0.1",
-    "codecov": "3.6.4",
+    "codecov": "3.6.5",
     "conventional-changelog-cli": "2.0.31",
     "fetch-mock": "6.5.2",
     "http-server": "0.12.1",