dev-libs/expat: update to version 2.6.3
BUG=b/365104862,b/365104817,b/365104413
TEST=presubmit
RELEASE_NOTE=Updated dev-libs/expat to version 2.6.3. This fixed CVE-2024-45492, CVE-2024-45490, CVE-2024-45491.
cos-patch: security-high
Change-Id: Icf213bff36a2656594beb91217633f77a1e4dc61
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/80211
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Kevin Berry <kpberry@google.com>
Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Arnav Kansal <rnv@google.com>
2 files changed
