set the NotAfter time as soon as the cert is parsed successfully
set the NotAfter time as soon as the cert is parsed successfully

Signed-off-by: Gus Parvin <84e2ba8c3ac157344c720fb41a5ed4d20fb11117@us.ibm.com>

jetstack-experimental/cert-manager,cert-manager/cert-manager,cert-manager/cert-manager,jetstack-experimental/cert-manager,jetstack/cert-manager,cert-manager/cert-manager,jetstack/cert-manager,jetstack-experimental/cert-manager,jetstack/cert-manager