Update pnpm to v8.15.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	8.15.5 -> 8.15.6

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Release Notes

pnpm/pnpm (pnpm)

### [`v8.15.6`](https://togithub.com/pnpm/pnpm/releases/tag/v8.15.6) [Compare Source](https://togithub.com/pnpm/pnpm/compare/v8.15.5...v8.15.6) #### Patch Changes - The exit code of the child process should be preserved on `pnpm run` [#​7817](https://togithub.com/pnpm/pnpm/issues/7817). - When sorting packages in a workspace, take into account workspace dependencies specified as `peerDependencies` [#​7813](https://togithub.com/pnpm/pnpm/issues/7813). - Add `--ignore-scripts` argument to `prune` command [#​7836](https://togithub.com/pnpm/pnpm/pull/7836). #### Platinum Sponsors #### Gold Sponsors #### Silver Sponsors

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Latest commit: f853fce57a2429a50e151d1bd6fa76e808070b59

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