[maven-release-plugin] copy for tag dumpling-parent-2.6

[maven-release-plugin] copy for tag dumpling-parent-2.5

[maven-release-plugin] copy for tag dumpling-parent-2.4

[maven-release-plugin] copy for tag dumpling-parent-2.3

[maven-release-plugin] copy for tag dumpling-parent-2.2

[maven-release-plugin] copy for tag dumpling-parent-2.1

[maven-release-plugin] copy for tag dumpling-parent-2.0

[maven-release-plugin] copy for tag dumpling-1.0

[maven-release-plugin] copy for tag dumpling-1.0-SNAPSHOT

[maven-release-plugin] copy for tag dumpling-0.7