chore: Update c2pa version to v0.72.1

Author: tmathern

tests/test_unit_tests.py

@@ -67,7 +67,7 @@ def load_test_settings_json():
 
 class TestC2paSdk(unittest.TestCase):
     def test_sdk_version(self):
-        self.assertIn("0.72.0", sdk_version())
+        self.assertIn("0.72.1", sdk_version())
 
 
 class TestReader(unittest.TestCase):