Import bmake-20230208

ChangeLog since bmake-20230126

• VERSION (_MAKE_VERSION): 20230208 Merge with NetBSD make, pick up o var.c: always use SCOPE_GLOBAL for :_ to avoid problems when it has been used within conditional expressions
• install-sh: if making directories ensure umask is set to match mode.
• Makefile: use DIRMODE for directories and NONBINMODE for man pages and mk files