Update expected SDK version in unit test

Author: tmathern

tests/test_unit_tests.py

@@ -70,7 +70,7 @@ def load_test_settings_json():
 class TestC2paSdk(unittest.TestCase):
     def test_sdk_version(self):
         # This test verifies the native libraries used match the expected version.
-        self.assertIn("0.78.6", sdk_version())
+        self.assertIn("0.78.8", sdk_version())
 
 
 class TestReader(unittest.TestCase):