modified notify for releng signing infra to 24 hours
modified notify for releng signing infra to 24 hours

mpurzynski/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,mozilla/MozDef,jeffbryner/MozDef,ameihm0912/MozDef,mpurzynski/MozDef,gdestuynder/MozDef,mpurzynski/MozDef,jeffbryner/MozDef,Phrozyn/MozDef,gdestuynder/MozDef,ameihm0912/MozDef,ameihm0912/MozDef,mozilla/MozDef,jeffbryner/MozDef,Phrozyn/MozDef,mozilla/MozDef,Phrozyn/MozDef,mpurzynski/MozDef,mozilla/MozDef,ameihm0912/MozDef,gdestuynder/MozDef,Phrozyn/MozDef