[maven-release-plugin] copy for tag v6.6.0

[maven-release-plugin] copy for tag v6.5.0

[maven-release-plugin] copy for tag v6.4.0

[maven-release-plugin] copy for tag v6.3.0

[maven-release-plugin] copy for tag v6.2.0

[maven-release-plugin] copy for tag v6.1.0

[maven-release-plugin] copy for tag v6.0.0

[maven-release-plugin] copy for tag v5.11.0

[maven-release-plugin] copy for tag v5.10.0

[maven-release-plugin] copy for tag v5.9.0