expat: upgraded package to upstream

Upgraded dev-libs/expat to version 2.4.6 on amd64

BUG=b:221086549
TEST=emerge-$B expat

Change-Id: I5ce6a5416a41f12ef63052b132339817ff0b1530
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3485636
Tested-by: Jae Hoon Kim <kimjae@chromium.org>
Auto-Submit: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Jae Hoon Kim <kimjae@chromium.org>
3 files changed