[252134]Update update site url for BIRT 2.5 features
[252134]Update update site url for BIRT 2.5 features

Charling-Huang/birt,sguan-actuate/birt,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,sguan-actuate/birt,rrimmana/birt-1,rrimmana/birt-1,Charling-Huang/birt,rrimmana/birt-1,Charling-Huang/birt,rrimmana/birt-1,Charling-Huang/birt,sguan-actuate/birt,sguan-actuate/birt