net-libs/libsoup: Uprev to 2.74.3

BUG=none
TEST=CQ passes

Change-Id: I02ec9f49c20b379e21832e754594a582f5214927
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4005673
Auto-Submit: Matt Turner <msturner@google.com>
Tested-by: Matt Turner <msturner@google.com>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Matt Turner <msturner@google.com>
6 files changed