[maven-release-plugin] copy for tag 15.1.8-RC1

[maven-release-plugin] copy for tag 15.1.7

[maven-release-plugin] copy for tag 15.1.6

[maven-release-plugin] copy for tag 15.1.5

[maven-release-plugin] copy for tag 15.1.4

[maven-release-plugin] copy for tag 15.1.3

[maven-release-plugin] copy for tag 15.1.3-RC2

[maven-release-plugin] copy for tag 15.1.3-RC1

[maven-release-plugin] copy for tag 15.1.2

[maven-release-plugin] copy for tag 15.1.1