[maven-release-plugin] prepare release druid-0.18.1-rc2

[maven-release-plugin] copy for tag druid-0.18.1-rc2

[maven-release-plugin] copy for tag druid-0.18.1-rc1

[maven-release-plugin] prepare release druid-0.18.0-rc3

[maven-release-plugin] copy for tag druid-0.18.0-rc3

[maven-release-plugin] copy for tag druid-0.18.0-rc2

[maven-release-plugin] copy for tag druid-0.18.0-rc1

[maven-release-plugin] copy for tag druid-0.17.1

[maven-release-plugin] prepare release druid-0.17.0-rc1

[maven-release-plugin] copy for tag druid-0.17.0-rc1