Updates packageManager field from pnpm@9.15.4 to pnpm@10.32.1 to ensure
consistency across all headlamp plugins (argocd-plugin, polaris-plugin,
sealed-secrets-plugin all use 10.32.1).
Resolves packageManager version mismatch that could cause lockfile sync issues.
Co-Authored-By: Paperclip <noreply@paperclip.ing>