[ty] Log target names at trace level (#19084)
Follow-up to https://github.com/astral-sh/ruff/pull/19083, also log the
target names like `ty_python_semantic::module_resolver::resolver` in
`2025-07-02 10:12:20.188697000 DEBUG
ty_python_semantic::module_resolver::resolver: Adding first-party search
path '/Users/dhruv/playground/ty_server'` at trace level.
