missing closing > in BomRef.__repr__

Signed-off-by: Paul Horton <[email protected]>

Author: madpah

cyclonedx/model/bom_ref.py

@@ -51,7 +51,7 @@ def __hash__(self) -> int:
         return hash(self.value)
 
     def __repr__(self) -> str:
-        return f'<BomRef {self.value}'
+        return f'<BomRef {self.value}>'
 
     def __str__(self) -> str:
         return self.value