Bump ioredis-mock from 8.7.0 to 8.8.1 (#967)

Bumps [ioredis-mock](https://github.com/stipsan/ioredis-mock) from 8.7.0 to 8.8.1.
- [Release notes](https://github.com/stipsan/ioredis-mock/releases)
- [Changelog](https://github.com/stipsan/ioredis-mock/blob/main/CHANGELOG.md)
- [Commits](stipsan/ioredis-mock@v8.7.0...v8.8.1)

---
updated-dependencies:
- dependency-name: ioredis-mock
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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