Upgrade to prompt_toolkit==0.42.
Upgrade to prompt_toolkit==0.42.

bitmonk/pgcli,thedrow/pgcli,nosun/pgcli,nosun/pgcli,MattOates/pgcli,bitmonk/pgcli,suzukaze/pgcli,dbcli/vcli,thedrow/pgcli,j-bennet/pgcli,dbcli/pgcli,j-bennet/pgcli,janusnic/pgcli,lk1ngaa7/pgcli,koljonen/pgcli,darikg/pgcli,TamasNo1/pgcli,janusnic/pgcli,bitemyapp/pgcli,d33tah/pgcli,d33tah/pgcli,yx91490/pgcli,yx91490/pgcli,joewalnes/pgcli,joewalnes/pgcli,suzukaze/pgcli,darikg/pgcli,bitemyapp/pgcli,w4ngyi/pgcli,dbcli/vcli,n-someya/pgcli,johshoff/pgcli,zhiyuanshi/pgcli,dbcli/pgcli,johshoff/pgcli,lk1ngaa7/pgcli,TamasNo1/pgcli,w4ngyi/pgcli,koljonen/pgcli,n-someya/pgcli,zhiyuanshi/pgcli,MattOates/pgcli