Update requirements

requirements.txt

@@ -135,7 +135,7 @@ typing-extensions==3.7.4.3
     # via pydantic
 urllib3==1.26.4
     # via requests
-validata-core==0.7.0a5
+validata-core==0.7.0a7
     # via validata_ui (setup.py)
 validators==0.18.2
     # via frictionless