Update CHANGELOG for the v1.24.0 release
Update CHANGELOG for the v1.24.0 release

iphoting/healthchecks,healthchecks/healthchecks,iphoting/healthchecks,healthchecks/healthchecks,healthchecks/healthchecks,healthchecks/healthchecks,iphoting/healthchecks,iphoting/healthchecks