Update MDC library version number

PiperOrigin-RevId: 250714052

Update version number to 1.1.0-alpha06

PiperOrigin-RevId: 246526211

Update library version to 1.1.0-alpha05

PiperOrigin-RevId: 240549991

Update library version to 1.1.0-alpha02

PiperOrigin-RevId: 225228563