update pydantic ai lower bound

[zzstoatzz]

• bump lower bound

• run tests on dep changes

[Copilot]

Pull Request Overview

This PR updates the pydantic-ai dependency lower bound from 0.6.0 to 0.7.2 and enhances CI test triggers to run on dependency changes.

• Bump pydantic-ai minimum version requirement to 0.7.2
• Add pyproject.toml and uv.lock to GitHub workflow triggers to ensure tests run when dependencies change

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Updates pydantic-ai lower bound dependency version
.github/workflows/run-tests.yml	Adds dependency files to CI trigger paths

Comments suppressed due to low confidence (1)

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