Use verifyFreezeReport.sh from download.eclipse.org

To prevent hiting raw.githubusercontent.com quota.

Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>

Change-Id: I3705746a5fe766d16ff4cf0ce4901d8c81a9da55
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/192207
Tested-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/Jenkinsfile b/Jenkinsfile
index fe86e95..e9177b6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -48,7 +48,7 @@
 				}
 			}
 			steps {
-				sh "wget https://raw.githubusercontent.com/eclipse-platform/eclipse.platform.releng.aggregator/master/scripts/verifyFreezePeriod.sh"
+				sh "wget https://download.eclipse.org/eclipse/relengScripts/scripts/verifyFreezePeriod.sh"
 				sh "chmod +x verifyFreezePeriod.sh"
 				withCredentials([string(credentialsId: 'google-api-key', variable: 'GOOGLE_API_KEY')]) {
 					sh './verifyFreezePeriod.sh'