[SNOW-1649438] add zstd decompressor in the urllib3 response

[sfc-gh-dbouassida]

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1. What GitHub issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   SNOW-1649438

2. Fill out the following pre-review checklist:

   • I am adding a new automated test(s) to verify correctness of my new code
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3. Please describe how your code solves the related issue.

This PR adds support for decompressing zstd (Zstandard) compressed responses in the urllib3 response handler. Key changes:

• Import zstandard library and check version (requires 0.18.0+)
• Add ZstdDecoder class to handle zstd decompression
• Add "zstd" to list of supported content decoders
• Update decoder initialization and error handling to include zstd

This enhancement allows the Snowflake connector to properly handle and decompress zstd-compressed responses from the Snowflake service, to improve compatibility and performance.

Resolves: SNOW-1649438

[github-actions]

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[sfc-gh-dbouassida]

I have read the CLA Document and I hereby sign the CLA

[sfc-gh-mkeller]

recheck

[sfc-gh-mkeller]

The PR looks good by me, how do you plan on testing your feature @sfc-gh-dbouassida ? Can you add some unit tests, or even some integration test? Or is manual testing the best we can do and if so please describe how you have tested this!

@sfc-gh-aling can you guys chime in, please? Dhia's internship is ending soon!

[sfc-gh-aling]

I'm interested when the backend sends back zstd compressed data, is there a configuration?

also what error would connector trigger if it receives zstd compressed data but zstd is not installed in the execution env

[sfc-gh-aling]

I'm curious when is this zstd feature introduced in the urllib?