Add versioning freeze & compatibility workflows#123

HendrikBorgelt wants to merge 3 commits into

nfdi-de:mainnfdi-de/chem-dcat-ap:mainfrom

HendrikBorgelt:version_freezing_and_w3id_import_fixHendrikBorgelt/chem-dcat-ap:version_freezing_and_w3id_import_fixCopy head branch name to clipboard