Bump github.com/mrz1836/go-datastore from 0.1.8 to 0.1.9

Bumps [github.com/mrz1836/go-datastore](https://github.com/mrz1836/go-datastore) from 0.1.8 to 0.1.9.
- [Release notes](https://github.com/mrz1836/go-datastore/releases)
- [Changelog](https://github.com/mrz1836/go-datastore/blob/master/.goreleaser.yml)
- [Commits](mrz1836/go-datastore@v0.1.8...v0.1.9)

---
updated-dependencies:
- dependency-name: github.com/mrz1836/go-datastore
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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