fix version

prepare for release

[maven-release-plugin] copy for tag basicxlsx-0.6.0

[maven-release-plugin] copy for tag basicxlsx-0.5.1

[maven-release-plugin] copy for tag basicxlsx-0.5.0

[maven-release-plugin] copy for tag basicxlsx-0.4.0

[maven-release-plugin] copy for tag basicxlsx-0.3.0

[maven-release-plugin] copy for tag basicxlsx-0.2.0

[maven-release-plugin] copy for tag basicxlsx-0.1.2

[maven-release-plugin] copy for tag basicxlsx-0.1.1