fix: upgrade @types/redis from 2.8.29 to 2.8.30

Snyk has created this PR to upgrade @types/redis from 2.8.29 to 2.8.30.

See this package in npm:
https://www.npmjs.com/package/@types/redis

See this project in Snyk:
https://app.snyk.io/org/redislabs/project/4a61bb1f-5f3a-46ff-943f-a6fe23d51b9b?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -37,15 +37,15 @@
   "homepage": "https://github.com/RedisAI/redisai-js#readme",
   "dependencies": {
     "redis": "^3.1.2",
-    "@types/redis": "^2.8.29"
+    "@types/redis": "^2.8.30"
   },
   "devDependencies": {
     "@babel/polyfill": "^7.8.7",
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/chai": "^4.2.11",
     "@types/mocha": "^7.0.2",
     "@types/node": "^13.13.4",
-    "@types/redis": "^2.8.29",
+    "@types/redis": "^2.8.30",
     "chai": "^4.2.0",
     "codecov": "^3.6.5",
     "core-js": "^2.5.7",