chore(deps): update dependency dotenv to v5.0.0

Author: renovate-bot

package-lock.json

@@ -37,7 +37,7 @@
     "@types/lodash": "4.14.102",
     "@types/mocha": "2.2.48",
     "assert-rejects": "0.1.1",
-    "dotenv": "4.0.0",
+    "dotenv": "5.0.0",
     "jscpd": "0.6.17",
     "mocha": "5.0.0",
     "mysql": "2.15.0",