chore(deps): upgrade Snowflake connector to 4.7.2

[mfranczel]

Summary

Upgrade snowflake-connector-python from 4.4.0 to 4.7.2.

This resolves CVE-2026-15925, an improper TLS hostname verification vulnerability fixed in version 4.7.1. Version
4.7.2 includes the security fix and subsequent bug fixes.

Compatibility

• Retains the <5 upper bound for compatibility with snowflake-sqlalchemy
• Supports the project's Python range (>=3.10,<3.14)
• No breaking changes affecting the existing Snowflake integration were identified

Resolves BLU-6333

Summary by CodeRabbit

• Chores
  • Updated the Snowflake connector dependency to version 4.7.2 or later, while remaining below version 5.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Essentials

Run ID: e30f9ea0-177f-4f91-993e-69489699f59b

📥 Commits

Reviewing files that changed from the base of the PR and between 2110a81 and d03a778.

⛔ Files ignored due to path filters (1)

• poetry.lock is excluded by !**/*.lock

📒 Files selected for processing (1)

• pyproject.toml

Included review availability: 3 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 4 reviews per hour.

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📝 Walkthrough

Walkthrough

The project configuration now requires snowflake-connector-python>=4.7.2,<5 unconditionally. This replaces separate requirements for older Python versions and Python 3.13 or newer.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to d03a7

This PR updates the Snowflake connector and lockfile without any identified merge-blocking risk; it is ready to merge after normal checks and review.

Suggested reviewers: m1so, tkislan

🚥 Pre-merge checks | ✅ 6

✅ Passed checks (6 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Updates Docs	✅ Passed	PASS: The pull request does not implement a feature. The exact diff against origin/main changes only pyproject.toml and poetry.lock to upgrade snowflake-connector-python from 4.4.0 to 4.7.2. No public…
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the dependency upgrade to Snowflake connector version 4.7.2.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

Full details: Updates Docs

Explanation

PASS: The pull request does not implement a feature. The exact diff against origin/main changes only pyproject.toml and poetry.lock to upgrade snowflake-connector-python from 4.4.0 to 4.7.2. No public API, runtime feature, or product behavior is added. Therefore, the documentation-update condition is not applicable.

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[github-actions]

📦 Python package built successfully!

• Version: 2.5.1.dev2+6341b8d
• Wheel: deepnote_toolkit-2.5.1.dev2+6341b8d-py3-none-any.whl
• Install:

  pip install "deepnote-toolkit @ https://deepnote-staging-runtime-artifactory.s3.amazonaws.com/deepnote-toolkit-packages/2.5.1.dev2%2B6341b8d/deepnote_toolkit-2.5.1.dev2%2B6341b8d-py3-none-any.whl"

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.46%. Comparing base (2110a81) to head (d03a778).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #124   +/-   ##
=======================================
  Coverage   74.46%   74.46%           
=======================================
  Files          95       95           
  Lines        5707     5707           
  Branches      851      851           
=======================================
  Hits         4250     4250           
  Misses       1180     1180           
  Partials      277      277           

Flag	Coverage Δ
combined	74.46% <ø> (ø)

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[deepnote-bot]

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[linear-code]

BLU-6333