Fix scientific floats with uppercase E

[kzrnm]

Change Summary

#774 fixed parsing of scientific-notation floats with lowercase e, but not with uppercase E.

Related issue number

#774

Checklist

• Unit tests for the changes exist
• Documentation reflects the changes where applicable
• Pydantic tests pass with this pydantic-core (except for expected changes)
• My PR is ready to review, please add a comment including the phrase "please review" to assign reviewers

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@dmontagu @adriangb please review

[codecov]

Codecov Report

Merging #779 (6de2440) into main (3597351) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #779   +/-   ##
=======================================
  Coverage   93.67%   93.67%           
=======================================
  Files          99       99           
  Lines       14290    14290           
  Branches       25       25           
=======================================
  Hits        13386    13386           
  Misses        898      898           
  Partials        6        6           

Impacted Files	Coverage Δ
src/input/parse_json.rs	96.34% <100.00%> (ø)

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[codspeed-hq]

CodSpeed Performance Report

Merging #779 will improve performances by 11.38%

_{Comparing kzrnm:fix/float (6de2440) with main (3597351)}

Summary

🔥 1 improvements
✅ 125 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	kzrnm:fix/float	Change
🔥	test_set_of_ints_core_json_duplicates	5.4 ms	4.9 ms	+11.38%

[adriangb]

Thanks!