add libpcre2-dev to Ubuntu install list (#1454)
add libpcre2-dev to Ubuntu install list (#1454)


Praetonus/ponyc,cquinn/ponyc,boemmels/ponyc,jemc/ponyc,jemc/ponyc,jupvfranco/ponyc,Perelandric/ponyc,sgebbie/ponyc,cquinn/ponyc,CausalityLtd/ponyc,ponylang/ponyc,kulibali/ponyc,sgebbie/ponyc,kulibali/ponyc,kulibali/ponyc,cquinn/ponyc,CausalityLtd/ponyc,boemmels/ponyc,mkfifo/ponyc,boemmels/ponyc,jupvfranco/ponyc,dipinhora/ponyc,mkfifo/ponyc,boemmels/ponyc,Perelandric/ponyc,sgebbie/ponyc,kulibali/ponyc,jupvfranco/ponyc,mkfifo/ponyc,Perelandric/ponyc,cquinn/ponyc,Theodus/ponyc,jupvfranco/ponyc,Perelandric/ponyc,Perelandric/ponyc,Theodus/ponyc,ponylang/ponyc,jupvfranco/ponyc,Theodus/ponyc,Praetonus/ponyc,dipinhora/ponyc,mkfifo/ponyc,dipinhora/ponyc,jemc/ponyc,CausalityLtd/ponyc,sgebbie/ponyc,Theodus/ponyc,Praetonus/ponyc,sgebbie/ponyc,Theodus/ponyc,mkfifo/ponyc,boemmels/ponyc,ponylang/ponyc,Praetonus/ponyc