Relabel license to VizieR scientific-use terms (per LICENSE_AUDIT.md)

README.md

@@ -1,5 +1,7 @@
 ---
-license: cc-by-4.0
+license: other
+license_name: vizier-scientific-use
+license_link: https://cds.unistra.fr/vizier-org/licences_vizier.html
 pretty_name: "Ultracool and Brown Dwarf Catalog (40 pc)"
 language:
   - en
@@ -68,4 +70,5 @@ Source code: [juliensimon/space-datasets](https://github.com/juliensimon/space-d
 
 ## License
 
-[CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/)
+
+[VizieR Scientific-Use Terms](https://cds.unistra.fr/vizier-org/licences_vizier.html)