Backport part of https://core.tcl-lang.org/tk/info/01eb7d3eab498165

Use TCLSH_NATIVE instead of TCLSH to support cross-building.

Import OpenSSL 3.5.6

Import OpenSSL 3.0.20

Import Tk 9.0.3

Import Tcl 9.0.3

Import OpenSSL 3.5.5

Import OpenSSL 3.0.19

Disable lzip decoder

Import liblzma from xz 5.8.1

Import OpenSSL 3.0.18