Prepare release for 0.25.11 (microsoft#1194)

Prepare for 0.25.10 (microsoft#1181)

prepare for 0.25.9

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

up version to 0.25.8 (microsoft#1158)

prepare 0.25.7 (microsoft#1123)

up version to 0.25.6

up version to 0.25.5

up version to 0.25.4 (microsoft#1096)

up version to 0.25.3 (microsoft#1070)

up version to 0.25.2 (microsoft#1064)