Log Message:
pkgtools/pkglint: update to 21.2.3

Changes since 21.2.2:

Temporarily disable the warning about Meson and gmake.  It led to a
false positive in x11/libxkbcommon, where pkglint wrongly assumed that
the package would use gmake.

For packages using Meson, do not warn if an included package uses
CONFIGURE_ARGS.