fix: upgrade haraka-plugin-redis from 2.0.5 to 2.0.6

Snyk has created this PR to upgrade haraka-plugin-redis from 2.0.5 to 2.0.6.

See this package in npm:
https://www.npmjs.com/package/haraka-plugin-redis

See this project in Snyk:
https://app.snyk.io/org/msimerson/project/ace22878-ae47-45cc-836b-8f5112b1aa89?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package.json

@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/haraka/haraka-plugin-watch#readme",
   "dependencies": {
-    "haraka-plugin-redis": "2.0.5",
+    "haraka-plugin-redis": "2.0.6",
     "redis": "4.6.11",
     "ws": "8.15.0"
   },