fix ValueError on year zero

[davidhewitt]

Change Summary

Makes creation of a Python date or datetime fail if the year is zero.

Related issue number

Fixes pydantic/pydantic#10967

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

[codspeed-hq]

CodSpeed Performance Report

Merging #1583 will not alter performance

_{Comparing dh/date-ranges (36b1ffd) with main (39435c2)}

Summary

✅ 157 untouched benchmarks

[sydney-runkle]

Awesome, tysm!