fix(deps): update dependency ioredis to v4.27.9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ioredis	4.27.8 -> 4.27.9

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Release Notes

luin/ioredis

### [`v4.27.9`](https://togithub.com/luin/ioredis/blob/master/Changelog.md#​4279-httpsgithubcomluiniorediscomparev4278v4279-2021-08-30) [Compare Source](https://togithub.com/luin/ioredis/compare/v4.27.8...v4.27.9) ##### Bug Fixes - Fix undefined property warning in executeAutoPipeline ([#​1425](https://togithub.com/luin/ioredis/issues/1425)) ([f898672](https://togithub.com/luin/ioredis/commit/f898672a29753774eeb6e166c28ed6f548533517)) - improve proto checking for hgetall \[skip ci] ([#​1418](https://togithub.com/luin/ioredis/issues/1418)) ([cba83cb](https://togithub.com/luin/ioredis/commit/cba83cba2dba25e59ad87c85d740f15f78e45e14))

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