[conda] Fix reference to license string on pyproject.toml

conda/meta.yaml

@@ -50,5 +50,5 @@ test:
 about:
   home: {{ data['project']['urls']['homepage'] }}
   summary: {{ data['project']['description'] }}
-  license: {{ data['project']['license']['text'] }}
+  license: {{ data['project']['license'] }}
   license_family: BSD