fix(spdx): adds support for reading ReferenceCategories with hyphens#396

mtsfoni merged 4 commits intoCycloneDX:mainCycloneDX/cyclonedx-dotnet-library:mainfrom

andreas-hilti:fix/hyphens-in-reference-categoryandreas-hilti/cyclonedx-dotnet-library:fix/hyphens-in-reference-categoryCopy head branch name to clipboard