HTTPSConnection: prefer the context's check_hostname attribute over the constructor parameter (#22959)

--HG--
branch : 3.4
use context's check_hostname attribute rather than the HTTPSHandler check_hostname parameter

--HG--
branch : 3.4
merge 3.4 (#22959)
merge 3.4
fix reference by adding module name

--HG--
branch : 3.4
merge 3.4