chore(deps): update devdependency prettier to v2.8.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
prettier (source)	2.8.6 -> 2.8.7

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Release Notes

prettier/prettier

### [`v2.8.7`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#​287) [Compare Source](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7) [diff](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7) ##### Allow multiple decorators on same getter/setter ([#​14584](https://togithub.com/prettier/prettier/pull/14584) by [@​fisker](https://togithub.com/fisker)) ```ts // Input class A { @​decorator() get foo () {} @​decorator() set foo (value) {} } // Prettier 2.8.6 SyntaxError: Decorators cannot be applied to multiple get/set accessors of the same name. (5:3) 3 | get foo () {} 4 | > 5 | @​decorator() | ^^^^^^^^^^^^ 6 | set foo (value) {} 7 | } // Prettier 2.8.7 class A { @​decorator() get foo() {} @​decorator() set foo(value) {} } ```

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