fix(deps): update dependency ioredis to v4.27.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ioredis	4.27.6 -> 4.27.7

---

Release Notes

luin/ioredis

### [`v4.27.7`](https://togithub.com/luin/ioredis/blob/master/Changelog.md#​4277-httpsgithubcomluiniorediscomparev4276v4277-2021-08-01) [Compare Source](https://togithub.com/luin/ioredis/compare/v4.27.6...v4.27.7) ##### Bug Fixes - **cluster:** fix autopipeline with keyPrefix or arg array ([#​1391](https://togithub.com/luin/ioredis/issues/1391)) ([d7477aa](https://togithub.com/luin/ioredis/commit/d7477aa5853388b51037210542372131919ddfb2)), closes [#​1264](https://togithub.com/luin/ioredis/issues/1264) [#​1248](https://togithub.com/luin/ioredis/issues/1248) [#​1392](https://togithub.com/luin/ioredis/issues/1392)

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.