Fix Ruff format badge

README.md

@@ -3,7 +3,7 @@
 
 [![SemVer](https://badgen.net/badge/_/SemVer%20compliant/grey?label)](https://semver.org/)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
-[![Ruff format](https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/format.json)](https://docs.astral.sh/ruff/settings/#format)
+[![Ruff format](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/format.json)](https://docs.astral.sh/ruff/settings/#format)
 [![Checked with pyright](https://microsoft.github.io/pyright/img/pyright_badge.svg)](https://microsoft.github.io/pyright/)
 [![Checked with mypy](https://www.mypy-lang.org/static/mypy_badge.svg)](https://mypy-lang.org/)