Bump version to 0.8.0

Somehow this one was missed?

Author: zanieb

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "uv"
-version = "0.7.22"
+version = "0.8.0"
 description = "An extremely fast Python package and project manager, written in Rust."
 authors = [{ name = "Astral Software Inc.", email = "[email protected]" }]
 requires-python = ">=3.8"