fix(prune): preserve pnpmfileChecksum in lockfile#9960

chris-olszewski merged 1 commit intomainvercel/turborepo:mainfrom

chrisolszewski/turbo-4480-pnpm-turbo-prune-removes-pnpmfilechecksum-from-lockfilevercel/turborepo:chrisolszewski/turbo-4480-pnpm-turbo-prune-removes-pnpmfilechecksum-from-lockfileCopy head branch name to clipboard