Bump @types/sharp from 0.26.0 to 0.26.1 (#6913)

Bumps [@types/sharp](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/sharp) from 0.26.0 to 0.26.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/sharp

)

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