fix: add @ioredis/interface-generator to dev deps

Author: luin

package-lock.json

@@ -49,6 +49,7 @@
     "standard-as-callback": "^2.1.0"
   },
   "devDependencies": {
+    "@ioredis/interface-generator": "^1.1.0",
     "@types/chai": "^4.3.0",
     "@types/debug": "^4.1.5",
     "@types/lodash.defaults": "^4.2.6",