[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare for next development iteration

rtgdk/tools,goneall/SPDX-Tools,romeara/spdx-tools,sschuberth/spdx-tools,rtgdk/tools,romeara/spdx-tools,rtgdk/tools,sschuberth/spdx-tools,yevster/tools,sschuberth/spdx-tools,goneall/SPDX-Tools,yevster/tools,yevster/tools,goneall/SPDX-Tools,yevster/tools,sschuberth/spdx-tools,yevster/tools,romeara/spdx-tools,sschuberth/spdx-tools