chore(deps-dev): bump mako from 1.3.12 to 1.4.2

[dependabot]

Bumps mako from 1.3.12 to 1.4.2.

Release notes

Sourced from mako's releases.

1.4.2

Released: Tue Sep 22 2026

bug

• [bug] [tests] Adjusted the test suite to accommodate for a change in Pygments 2.21.0 where the HtmlFormatter now renders " and ' characters literally rather than as HTML entities, which caused failures in tests that assert against the rendered output of html_error_template().

  References: #440

• [bug] [template] Fixed issue in TemplateLookup where a URI beginning with a drive designator (e.g. C:/../../secret.txt) could bypass the directory traversal check on Windows, allowing reads of arbitrary files outside of the template directory. The check in Template normalized the URI using os.path, which on Windows is ntpath; as ntpath splits the drive designator off and treats the remainder as rooted, the .. segments were absorbed before the check could inspect them. Normalization is now performed with posixpath, which is the same module used by TemplateLookup.get_template() to resolve the URI to a file.

  References: #441

1.4.1

Released: Wed Aug 5 2026

bug

• [bug] [installation] Fixed issue in the 1.4.0 packaging where the repository's internal tools/ directory was detected by setuptools package discovery and installed as a top-level tools package into site-packages, shadowing unrelated tools packages belonging to other applications. Package discovery is now limited to the mako package explicitly.

  References: #438

1.4.0

Released: Tue Aug 4 2026

changed

• [changed] [examples] The examples/bench folder has been removed as it used mostly

... (truncated)

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Note

Low Risk
Lockfile-only dev transitive upgrade with no production dependency changes; includes a security fix in Mako’s template lookup.

Overview
Updates poetry.lock to pull Mako 1.4.2 (from 1.3.12) as a dev transitive dependency of Alembic, along with refreshed package metadata (e.g. Mako now requires Python ≥3.10 and MarkupSafe ≥2.0). The lockfile header reflects regeneration with Poetry 2.5.1, and tomli’s environment marker is narrowed to python_version == "3.10".

Mako 1.4.x includes packaging fixes and a Windows path-traversal hardening in TemplateLookup; this bump does not change runtime pyproject.toml dependencies—only the locked dev graph used for migrations/testing tooling.

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