Bump ioredis from 4.19.2 to 4.27.0

Bumps [ioredis](https://github.com/luin/ioredis) from 4.19.2 to 4.27.0.
- [Release notes](https://github.com/luin/ioredis/releases)
- [Changelog](https://github.com/luin/ioredis/blob/master/Changelog.md)
- [Commits](redis/ioredis@v4.19.2...v4.27.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -26,7 +26,7 @@
     "esm": "^3.2.25",
     "express": "^4.17.1",
     "human-readable-numbers": "^0.9.5",
-    "ioredis": "^4.19.2",
+    "ioredis": "^4.27.0",
     "koa": "^2.13.0",
     "koa-router": "^10.0.0",
     "koa-send": "^5.0.0",