fix: fixed releaseDate issue on import#368

valeriocomo merged 14 commits intodevelopitalia/publiccode-editor:developfrom

366-on-new-version-20-release-date-field-doesnt-validate-a-valid-just-generated-or-uploaded-publiccodeyml-fileitalia/publiccode-editor:366-on-new-version-20-release-date-field-doesnt-validate-a-valid-just-generated-or-uploaded-publiccodeyml-fileCopy head branch name to clipboard