chore(deps): update pnpm to v9.15.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	9.15.5+sha512.845196026aab1cc3f098a0474b64dfbab2afe7a1b4e91dd86895d8e4aa32a7a6d03049e2d0ad770bbe4de023a7122fb68c1a1d6e0d033c7076085f9d5d4800d4 -> 9.15.6

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Release Notes

pnpm/pnpm (pnpm)

v9.15.6: pnpm 9.15.6

Compare Source

Patch Changes

• Fix instruction for updating pnpm with corepack #​9101.
• Print pnpm's version after the execution time at the end of the console output.
• The pnpm version specified by packageManager cannot start with v.
• Fix a bug causing catalog snapshots to be removed from the pnpm-lock.yaml file when using --fix-lockfile and --filter. #​8639
• Fix a bug causing catalog protocol dependencies to not re-resolve on a filtered install #​8638.

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