uprev to jiter v0.0.6, uprev pydantic-core

[samuelcolvin]

See https://github.com/pydantic/jiter/releases/tag/v0.0.6 for details on jiter release.

Also, preparing for v2.16.0 release.

[codecov]

Codecov Report

Merging #1165 (336f200) into main (29c5419) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1165   +/-   ##
=======================================
  Coverage   89.97%   89.97%           
=======================================
  Files         106      106           
  Lines       16618    16618           
  Branches       36       36           
=======================================
  Hits        14952    14952           
  Misses       1659     1659           
  Partials        7        7           

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[codspeed-hq]

CodSpeed Performance Report

Merging #1165 will improve performances by 24.37%

_{Comparing uprev-both (336f200) with main (29c5419)}

Summary

⚡ 3 improvements
✅ 143 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	uprev-both	Change
⚡	test_tagged_union_int_keys_json	49.2 µs	43.8 µs	+12.24%
⚡	test_core_future_str	39.3 µs	32 µs	+22.65%
⚡	test_core_future	37.3 µs	30 µs	+24.37%