Improve WP-CLI download/install process
Improve WP-CLI download/install process

Removes the need to `force` meaning we can skip downloading every time
regardless if it's already installed.

cimocimocimo/cimo-wordpress-server,roots/bedrock-ansible,mAAdhaTTah/bedrock-ansible,NicBeltramelli/trellis,jeffstieler/bedrock-ansible,kalenjohnson/trellis,roots/trellis,mAAdhaTTah/bedrock-ansible,mAAdhaTTah/bedrock-ansible,buluma/trellis,pressbooks/trellis,proteusthemes/pt-ops,buluma/trellis,proteusthemes/pt-ops,alan-c/trellis,partounian/trellis,cimocimocimo/cimo-wordpress-server,fullyint/trellis,roots/bedrock-ansible,alan-c/trellis,jeffstieler/bedrock-ansible,Twansparant/trellis-db-sync,Twansparant/trellis-db-sync,jeffstieler/bedrock-ansible,Twansparant/trellis-db-sync,pressbooks/trellis,newtonne/trellis,NicBeltramelli/trellis,partounian/trellis,partounian/trellis,roots/trellis,mAAdhaTTah/bedrock-ansible,NicBeltramelli/trellis,kalenjohnson/trellis,fullyint/trellis,NicBeltramelli/trellis,cimocimocimo/cimo-wordpress-server,kalenjohnson/trellis,Twansparant/trellis-db-sync,buluma/trellis,kalenjohnson/trellis,fullyint/trellis,newtonne/trellis,cimocimocimo/cimo-wordpress-server,newtonne/trellis,fullyint/trellis,partounian/trellis,proteusthemes/pt-ops,buluma/trellis