Pin pyopenssl and snowflake-connector-python versions

[alena-hutchinson]

Upgrade snowflake-connector-python to ≥ 4.4 and require pyopenssl ≥ 26. Older Snowflake connectors capped pyOpenSSL < 26, which blocked fixes for CVE-2026-27459 and CVE-2026-27448; 4.4+ removes that cap, and the explicit pyopenssl floor ensures we always ship a patched version. Vanta vulnerability here.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.05%. Comparing base (49707a0) to head (584f6f1).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1154      +/-   ##
==========================================
- Coverage   89.19%   89.05%   -0.14%     
==========================================
  Files          56       56              
  Lines        2896     2896              
==========================================
- Hits         2583     2579       -4     
- Misses        313      317       +4     

Flag	Coverage Δ
3.11	78.07% <ø> (ø)
e2e	60.32% <ø> (-0.35%)	⬇️
integration	65.40% <ø> (ø)

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