chore: extract uv config

[theveenrok]

Summary

Extract uv config from pyproject.toml to 'uv.toml'

Type

• Release
• Feature
• Fix
• Security
• Docs
• Ops
• Internal
• Breaking change

Changes

• Create uv config file uv.toml
• Remove section uv from pyproject.toml

Verification

• just check

Docs

• Docs updated (if needed)

Tests

• Tests added/updated (if needed)

Changelog

• Added changelog fragment in changelog.d/