DOC: update badges in README

README.md

@@ -1,7 +1,6 @@
 # GPGI
 [![PyPI](https://img.shields.io/pypi/v/gpgi.svg?logo=pypi&logoColor=white&label=PyPI)](https://pypi.org/project/gpgi/)
-[![pre-commit.ci status](https://results.pre-commit.ci/badge/github/neutrinoceros/gpgi/main.svg)](https://results.pre-commit.ci/latest/github/neutrinoceros/gpgi/main)
-[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/charliermarsh/ruff/main/assets/badge/v2.json)](https://github.com/charliermarsh/ruff)
+[![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://github.com/astral-sh/uv)
 
 ***Fast particle deposition at post-processing time***