Secret scan path fail on known matches

[liiight]

Environment

• ggshield version: 1.39
• Operating system (Linux, macOS, Windows): macOS
• Operating system version: 15.4.1
• Python version: 3.12

Describe the bug

Running ggshield secret scan path [PATH] where the path is a file with a known (ignored) match fails

Actual result:

❯ ggshield secret scan path src/detections/jsons/event_with_profile/f95088a9-4224-4f81-81e3-619d7b421b67.json
Scanning... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 1 / 1

Error: Scanning failed: {'scan_results': {0: {'policy_breaks': {0: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 1: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data
for required field.']}, 2: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 3: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 4:
{'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 5: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 6: {'detector_name': ['Missing data for
required field.'], 'detector_group_name': ['Missing data for required field.']}, 7: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 8: {'detector_name': ['Missing data for required field.'],
'detector_group_name': ['Missing data for required field.']}, 9: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 10: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data
for required field.']}, 11: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 12: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 13:
{'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 14: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 15: {'detector_name': ['Missing data for
required field.'], 'detector_group_name': ['Missing data for required field.']}, 16: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 17: {'detector_name': ['Missing data for required field.'],
'detector_group_name': ['Missing data for required field.']}, 18: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data for required field.']}, 19: {'detector_name': ['Missing data for required field.'], 'detector_group_name': ['Missing data
for required field.']}}}}}

Expected result:

Successful scan.

Running the exact same scan with v1.38 works:

❯ uvx --from ggshield==1.38 ggshield secret scan path src/detections/jsons/event_with_profile/f95088a9-4224-4f81-81e3-619d7b421b67.json
Installed 27 packages in 82ms
Scanning... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 1 / 1

> src/detections/jsons/event_with_profile/f95088a9-4224-4f81-81e3-619d7b421b67.json: 0 secrets detected
>