fix: upgrade express-rate-limit from 5.1.1 to 5.1.3

Snyk has created this PR to upgrade express-rate-limit from 5.1.1 to 5.1.3.

See this package in NPM:
https://www.npmjs.com/package/express-rate-limit

See this project in Snyk:
https://app.snyk.io/org/bluewallet/project/29c066bc-abce-44d9-b68e-064466e610e7?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -25,7 +25,7 @@
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-prettier": "^3.1.3",
     "express": "^4.16.4",
-    "express-rate-limit": "^5.0.0",
+    "express-rate-limit": "^5.1.3",
     "grpc": "^1.17.0-pre1",
     "ioredis": "^4.16.3",
     "jayson": "^3.2.1",