fix: snowflake destination

[mpolomdeepsense]

Fixes Snowflake Uploader and SQL Uploader Stager

SQL Uploader Stager fix for error [upload_stage] Object of type Timestamp is not JSON serializable:

2024-12-19 17:22:24,127 MainProcess ERROR    1 failed documents:
2024-12-19 17:22:24,127 MainProcess ERROR    /home/marek/.cache/unstructured/ingest/pipeline/index/eada064bd94a.json: [upload_stage] Object of type Timestamp is not JSON serializable
2024-12-19 17:22:24,127 MainProcess ERROR    failed to run destination command snowflake: Pipeline did not run successfully
Traceback (most recent call last):
  File "/home/marek/unstructured/unstructured-ingest/unstructured_ingest/v2/cli/base/dest.py", line 49, in cmd
    pipeline.run()
  File "/home/marek/unstructured/unstructured-ingest/unstructured_ingest/v2/pipeline/pipeline.py", line 144, in run
    raise PipelineError("Pipeline did not run successfully")
unstructured_ingest.v2.pipeline.pipeline.PipelineError: Pipeline did not run successfully
Error: Pipeline did not run successfully

Snowflake Uploader fix for error [upload] 255001: Binding data in type (list) is not supported.:

2024-12-19 17:27:37,363 MainProcess ERROR    1 failed documents:
2024-12-19 17:27:37,364 MainProcess ERROR    /home/marek/.cache/unstructured/ingest/pipeline/index/eada064bd94a.json: [upload] 255001: Binding data in type (list) is not supported.
2024-12-19 17:27:37,364 MainProcess ERROR    failed to run destination command snowflake: Pipeline did not run successfully
Traceback (most recent call last):
  File "/home/marek/unstructured/unstructured-ingest/unstructured_ingest/v2/cli/base/dest.py", line 49, in cmd
    pipeline.run()
  File "/home/marek/unstructured/unstructured-ingest/unstructured_ingest/v2/pipeline/pipeline.py", line 144, in run
    raise PipelineError("Pipeline did not run successfully")
unstructured_ingest.v2.pipeline.pipeline.PipelineError: Pipeline did not run successfully
Error: Pipeline did not run successfully

[rbiseck3]

Can we update the integration test to cause the original issue and make sure the fix is tested?

[mpolomdeepsense]

@rbiseck3

Added sql upload stager conform_dataframe unit tests.

There are some snowflake destination tests that I think should handle this case, but they are skipped in CI.