chore(package): update debug to version 2.6.6
chore(package): update debug to version 2.6.6

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node-serialport/node-serialport,voodootikigod/node-serialport,voodootikigod/node-serialport,node-serialport/node-serialport,EmergingTechnologyAdvisors/node-serialport,EmergingTechnologyAdvisors/node-serialport,voodootikigod/node-serialport,voodootikigod/node-serialport,EmergingTechnologyAdvisors/node-serialport,EmergingTechnologyAdvisors/node-serialport,EmergingTechnologyAdvisors/node-serialport,node-serialport/node-serialport,node-serialport/node-serialport,node-serialport/node-serialport