change: default branch for vuln. data is vulnerability-data

Author: copernico

kaybee/internal/tasks/data/default_config.yaml

@@ -2,7 +2,7 @@ apiVersion: "v1"
 
 sources:
   - repo: https://github.com/sap/project-kb
-    branch: master
+    branch: vulnerability-data
     rank: 10
 
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