fix: upgrade ioredis from 4.15.1 to 4.16.0

Snyk has created this PR to upgrade ioredis from 4.15.1 to 4.16.0.

See this package in NPM:
https://www.npmjs.com/package/ioredis

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-lock.json

@@ -3596,9 +3596,9 @@
       "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
     },
     "ioredis": {
-      "version": "4.15.1",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.15.1.tgz",
-      "integrity": "sha512-vbSsIlmI2P31c+nxZvYjChAcgMK5Ssn9FLdhOXi0O+KVOp6JLXrkVFlq8Zrmc3ee5e5eoqB9nHFYIQzWKc/12Q==",
+      "version": "4.16.0",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.16.0.tgz",
+      "integrity": "sha512-tlalhtuvnxXJNtrPjec1nGicuOCpi9ErYV/fRfwaWSzktX9ESrzHlcFwj1pVAL326E8dmt7h9pPQZyyVPPksRA==",
       "requires": {
         "cluster-key-slot": "^1.1.0",
         "debug": "^4.1.1",

package.json

@@ -27,7 +27,7 @@
     "express": "^4.16.4",
     "express-rate-limit": "^3.4.0",
     "grpc": "^1.17.0-pre1",
-    "ioredis": "^4.15.1",
+    "ioredis": "^4.16.0",
     "jayson": "^2.1.0",
     "morgan": "^1.9.1",
     "mustache": "^3.2.1",