[maven-release-plugin] copy for tag mybatis-parent-21

[maven-release-plugin] copy for tag mybatis-parent-20

[maven-release-plugin] copy for tag mybatis-parent-19

[maven-release-plugin] copy for tag mybatis-parent-18

[maven-release-plugin] copy for tag mybatis-parent-17

[maven-release-plugin] copy for tag mybatis-parent-16

[maven-release-plugin] copy for tag mybatis-parent-15

[maven-release-plugin] copy for tag mybatis-parent-14

[maven-release-plugin] copy for tag mybatis-parent-12

[maven-release-plugin] copy for tag mybatis-parent-11