Bump version to 1.2.7 (StarRocks#223)

Signed-off-by: PengFei Li <lpengfei2016@gmail.com>

Bump version to 1.2.6 (StarRocks#191)

Signed-off-by: PengFei Li <lpengfei2016@gmail.com>

[hotfix] fix checkstyle (StarRocks#165)

Bump version to 1.2.5

[Bugfix] Always close StarRocksSourceDataReader and check keepAliveMi…

…n is valid (StarRocks#138)

release v1.2.3

release v1.2.2

release v1.2.2

release 1.2.1

release 1.1.16

release 1.1.15

release 1.1.14