chore(deps): upgrade @pkcprotocol/pkc-js 0.0.55 -> 0.0.57

[Rinse12]

Upgrade the @pkcprotocol/pkc-js dependency from 0.0.55 to 0.0.57.

• Bump version in package.json (exact)
• Rebuild (npm run build && npm run build:test)
• Run tests (npm run test:cli)
• Commit and push to master