icu: upgrade to 70.1 & rebuilds (obsoletes !27089)

notes:

• mapnik: switched to the scons version from the repo as the bundled version did not work with python 3.10. (cannot seem to find maintainers gitlab)
• mozjs78: patch from fedora to build with python 3.10. @Cogitri
• mapbox-gl-native: patch from arch to compile.@PureTryOut
• kdb: patch postgres cmake module to find postgres 12+. also puretryout

Pings because of the changes listed above.