chore(renovate): only allow version of get-port <5
chore(renovate): only allow version of get-port <5

Only allow versions of get-port that support Node.js 8.0.0

See https://github.com/sindresorhus/get-port/pull/30
pnpm/pnpm,rstacruz/pnpm,pnpm/pnpm,pnpm/pnpm,rstacruz/pnpm,rstacruz/pnpm