file-api: add created_at to schema

Author: aldogonzalez8

airbyte_cdk/sources/file_based/file_record_data.py

@@ -18,5 +18,6 @@ class FileRecordData(BaseModel):
     bytes: int
     source_uri: str
     id: Optional[str] = None
+    created_at: Optional[str] = None
     updated_at: Optional[str] = None
     mime_type: Optional[str] = None

airbyte_cdk/sources/file_based/schema_helpers.py

@@ -27,6 +27,7 @@
         "source_uri": {"type": "string"},
         "bytes": {"type": "integer"},
         "id": {"type": ["null", "string"]},
+        "created_at": {"type": ["null", "string"]},
         "updated_at": {"type": ["null", "string"]},
         "mime_type": {"type": ["null", "string"]},
     },