[maven-release-plugin] prepare release v6.6.0-rc3

[maven-release-plugin] copy for tag v6.6.0-rc3

[maven-release-plugin] copy for tag v6.6.0-rc2

[maven-release-plugin] copy for tag v6.6.0-rc1

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

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

[maven-release-plugin] prepare release v6.5.0-rc1

[maven-release-plugin] copy for tag v6.5.0-rc1

[maven-release-plugin] copy for tag v6.5.0-m6

[WSO2 Release] [Jenkins #648] [Release 6.5.0-m5] copy for tag v6.5.0-m5