Add support for installing versioned Python executables on Windows (#8663)

Incorporating #8637 into #8458 

- Adds `python-managed` feature selection to Windows CI for `python
install` tests
- Adds trampoline sniffing utilities to `uv-trampoline-builder`
- Uses a trampoline to install Python executables into the `PATH` on
Windows

crates/uv-python/Cargo.toml

@@ -31,6 +31,7 @@ uv-platform-tags = { workspace = true }
 uv-pypi-types = { workspace = true }
 uv-state = { workspace = true }
 uv-static = { workspace = true }
+uv-trampoline-builder = { workspace = true }
 uv-warnings = { workspace = true }
 
 anyhow = { workspace = true }