fix(file-api): fix schema field for file name (#502)

Author: aldogonzalez8

airbyte_cdk/sources/file_based/file_record_data.py

@@ -14,7 +14,7 @@ class FileRecordData(BaseModel):
     """
 
     folder: str
-    filename: str
+    file_name: str
     bytes: int
     source_uri: str
     id: Optional[str] = None

unit_tests/sources/file_based/stream/test_default_file_based_stream.py

@@ -285,7 +285,7 @@ class DefaultFileBasedStreamFileTransferTest(unittest.TestCase):
     _NOW = datetime(2022, 10, 22, tzinfo=timezone.utc)
     _A_FILE_RECORD_DATA = FileRecordData(
         folder="/absolute/path/",
-        filename="file.csv",
+        file_name="file.csv",
         bytes=10,
         source_uri="file:///absolute/path/file.csv",
     )
@@ -337,7 +337,7 @@ def test_when_read_records_from_slice_then_return_records(self) -> None:
             assert list(map(lambda message: message.record.data, messages)) == [
                 {
                     "bytes": 10,
-                    "filename": "file.csv",
+                    "file_name": "file.csv",
                     "folder": "/absolute/path/",
                     "source_uri": "file:///absolute/path/file.csv",
                 }