portage-stable: Uprev more pkgs that depend on readline 6.3

This CL uprevs packages depending on readline 6.3, to cause their
prebuilt binaries to be regnerated.  The packages are:

app-crypt/gnupg
app-shells/bash-completion
net-dns/bind-tools
net-misc/socat
sys-apps/gawk
sys-devel/bc

BUG=chromium:1149591
TEST=CQ

Change-Id: Ic5325eca38535c05fdf720c244b852c86afc36a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2544787
Auto-Submit: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
6 files changed