* fix number of spaces in string replacement
* fix libiconv library name
* [libpq] update to 12.2
fix some issues with features
feature combination client+nls does not compile with latest VS
due to libpq src's accessing an implementation detail (needs upstream fix)
* on arm skip host openssl version check if host cannot execute the triplet version
* use PORT_VERSION to update the version references more easily
* fix tcl and python feature on windows
