Update tzlocal requirement from <6,>=5.3.1 to >=5.4.3,<6

[dependabot]

Updates the requirements on tzlocal to permit the latest version.

Changelog

Sourced from tzlocal's changelog.

5.4.3 (2026-06-17)

• Moved the tests back, removed the ones that check for symlinks. See issue #146

5.4.2 (2026-06-16)

• [Yanked for distribution issues]

5.4.1 (2026-06-16)

• [Yanked for distribution issues]

5.4 (2026-06-15)

• Open files with Zone names as ascii.

• Moved tests under tzlocal/tests and include them in distributions.

• Dropped support for Python 3.9 and added support for 3.14.

5.3.1 (2025-03-05)

• Now only warns bout /etc/timezone if it is actually conflicting with other timezone configurations.

5.3 (2025-02-13)

• Now supports Python 3.9 to 3.13, and no longer requires backports.zoneinfo.

• Some distributions are for some reason removing support for /etc/timezone, which is bad, because that's the only place where the timezone is stated in plain text, and what's worse, they don't delete it. So we can't trust it now, so when we have multiple configs, we are forced to just ignore it.

• Attempts to return a ZoneInfo object also for UTC.

5.2 (2023-10-22)

• Added a pre-commit config

... (truncated)

Commits

• 0d7e42c Preparing release 5.4.3
• c07a82c Something got messed up in pyproject.toml
• d415450 Back to development: 5.4.3
• e1c41bf Preparing release 5.4.2
• 6818f13 Merge branch 'master' of github.com:regebro/tzlocal
• 2aa45f7 Back to development: 5.4.2
• 0af7719 Preparing release 5.4.1
• 54f2a8f Maturify
• e47e818 Removed the tests for symlinks (#178)
• 52779e2 Revert "Move tests (#176)"
• Additional commits viewable in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (2c779e4) to head (ed00c6b).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1805   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           26        26           
  Lines         4204      4204           
=========================================
  Hits          4204      4204           

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[codspeed-hq]

Merging this PR will not alter performance

✅ 56 untouched benchmarks

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_{Comparing dependabot/pip/tzlocal-gte-5.4.3-and-lt-6 (ed00c6b) with main (2c779e4)¹}

Footnotes

1. No successful run was found on main (1e16d71) during the generation of this report, so 2c779e4 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩