Merge pull request #7 from halter/feat/update-submodules

add test_station to TestRecord and update DutIdentifier

Author: divz-tech

openhtf/core/dut_id.py

@@ -5,6 +5,7 @@
 @dataclass
 class DutIdentifier:
     halter_serial_number: Optional[str] = None
+    manufacturer_serial_number: Optional[str] = None
     mac_address: Optional[str] = None
     part_number: Optional[str] = None
     additional: dict = field(default_factory=dict)