Add Yarn v1 to the comparison chart

[tats-u]

Not a few number of people stick to Yarn v1 due to the PnP-default specification of Yarn v2+. I hope this bench helps people who use Yarn v1 to migrate to Yarn v4 or pnpm.

Yarn v4 (PnP) vs Yarn v4 (node_modules) vs npm vs pnpm vs Bun ↓ Yarn v4 (PnP) vs Yarn v4 (node_modules) vs Yarn v1 vs npm vs pnpm vs Bun