v0.2.42

44aedf5 Show worker status in fly m ls, fly vol ls (#3485)
5da2fa4 Rename root command "flyctl" -> "fly" and update docs gen for the change (#3465)
d6c80b5 Add release command for Postgres and MySQL dbs (#3484)
b1a155a Start tracing fly launch (#3464)
6d3efb7 update error message for bluegreen unblocking (#3483)
21082ea Add Nvidia A10 to valid gpu cards (#3480)