build: migrate from Poetry to uv + uv-dynamic-versioning

[devin-ai-integration]

Migrates PyAirbyte from Poetry to uv as the package manager.

Key changes:

• Migrates build system to use hatchling and uv-dynamic-versioning
• Updates pyproject.toml to follow PEP 621 format
• Converts dependencies to PEP 508 format
• Updates GitHub Actions workflows to use uv
• Maintains poethepoet for task running
• Adds requirements.txt and requirements-dev.txt for uv

Link to Devin run: https://app.devin.ai/sessions/71c02171666f414ca30482f3621ae421

[devin-ai-integration]

Original prompt:

@Devin - Let's consider updating from Poetry to uv as our project manager for Python projects.

[devin-ai-integration]

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[Aaron ("AJ") Steers (aaronsteers)]

Stale PR. Closing.

This PR did get very close though...