Bump blurhash from 0.1.4 to 0.1.5 (#15942)

Bumps [blurhash](https://github.com/Gargron/blurhash) from 0.1.4 to 0.1.5.
- [Release notes](https://github.com/Gargron/blurhash/releases)
- [Commits](https://github.com/Gargron/blurhash/commits/v0.1.5

)

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