build(deps): update environs requirement from <14.6,>=14.1 to >=14.1,<15.1

[dependabot]

Updates the requirements on environs to permit the latest version.

Changelog

Sourced from environs's changelog.

15.0.1 (2026-04-06)

Bug fixes:

• Exported environment variables take precedence over .env files (regression from 15.0.0) (#464). Thanks DougEdey-Slice for reporting.

15.0.0 (2026-03-31)

Features:

• Env.read_env no longer mutates os.environ (#393). Values from .env files are loaded into the Env instance only. This comes with two breaking changes:
  • Env.read_env is now an instance method rather than a @staticmethod. Env.read_env() -> env.read_env()
  • The verbose parameter of read_env is been removed.

Other changes:

• Drop support for marshmallow 3, which is EOL. marshmallow>=4.0.0 is supported.
• Minor typing improvements (#463).

14.6.0 (2026-02-19)

Bug fixes:

• Fix variable expansion with other characters (#359). Thanks flymanzhao for reporting and veeceey for the PR.

Other changes:

• Update lowest supported marshmallow version to 3.26.2 (#448). Thanks whyscream for the PR.

14.5.0 (2025-11-02)

Features:

• Add strip_whitespace param to FileAwareEnv (#431). Thanks eandersons for the suggestion and PR.

Other changes:

• Drop support for Python 3.9, which is EOL.

14.4.0 (2025-10-29)

Features:

• Add support for ISO 8601 durations to env.timedelta. (#434). Thanks lucas-bremond for the suggestion and PR.

... (truncated)

Commits

• c6e5941 Bump version and update changelog
• 9c51c66 Fix precedence of os.environ over .env (#465)
• 4654e60 Fix GH links
• df03407 Bump version and update changelog
• ad5942c Minor typing improvements (#463)
• 1df5387 read_env does not mutate os.environ (#462)
• b3fc5e8 Drop marshmallow 3 (#461)
• b7bdc47 Bump the all-dependencies group with 9 updates (#460)
• 3ece1ac Bump astral-sh/setup-uv from 6 to 7 (#459)
• 96f7b95 Update dependabot config for uv updates
• Additional commits viewable in compare view

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