chore(deps): update pnpm to v8.15.9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	8.15.8+sha256.691fe176eea9a8a80df20e4976f3dfb44a04841ceb885638fe2a26174f81e65e -> 8.15.9

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Release Notes

pnpm/pnpm (pnpm)

### [`v8.15.9`](https://togithub.com/pnpm/pnpm/releases/tag/v8.15.9): pnpm 8.15.9 [Compare Source](https://togithub.com/pnpm/pnpm/compare/v8.15.8...v8.15.9) #### Patch Changes - Deduplicate bin names to prevent race condition and corrupted bin scripts [#​7833](https://togithub.com/pnpm/pnpm/issues/7833). #### Platinum Sponsors #### Gold Sponsors #### Our Silver Sponsors

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Latest commit: 7134e431e45f3aebf68d439b872085d17ad6cca8

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