Release 2.2.8 - security updates

Version 2.2.7 of the SPDX Tools Java

Version 2.2.6 of the SPDX Tools (Legacy)

Version 2.2.5 of the legacy SPDX Tools

Version 2.2.4 of the SPDX tools

Version 2.2.3

Version 2.2.2 of the SPDX tools

Version 2.2.1 of the SPDX tools

Version 2.2.0 of the SPDX tools implementing SPDX Spec version 2.2

Version 20 of the SPDX tools