limited the length of tags

services/graph/pkg/config/defaults/defaultconfig.go

@@ -127,6 +127,9 @@ func DefaultConfig() *config.Config {
 		UnifiedRoles: config.UnifiedRoles{
 			AvailableRoles: nil, // will be populated with defaults in EnsureDefaults
 		},
+		Validation: config.Validation{
+			MaxTagLength: 100,
+		},
 	}
 }