Update pytz

[adriangb]

Try to fix https://github.com/pydantic/pydantic-core/actions/runs/6109885584/job/16581795860?pr=948

[codecov]

Codecov Report

Merging #949 (fb194b6) into main (6a13975) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #949   +/-   ##
=======================================
  Coverage   93.82%   93.82%           
=======================================
  Files         105      105           
  Lines       15442    15442           
  Branches       25       25           
=======================================
  Hits        14489    14489           
  Misses        947      947           
  Partials        6        6           

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[codspeed-hq]

CodSpeed Performance Report

Merging #949 will degrade performances by 14.14%

_{Comparing update-pytz (fb194b6) with main (6a13975)}

Summary

🔥 1 improvements
❌ 1 regressions
✅ 136 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	update-pytz	Change
❌	test_complete_core_lax	1.3 ms	1.6 ms	-14.14%
🔥	test_dont_raise_error	40.5 µs	29.1 µs	+39.37%