chore: ruff moved to astral-sh (#2238)

* Update Ruff pre-commit hook url to https://github.com/astral-sh/ruff-pre-commit.
   - c.f. scientific-python/cookie#200

Author: henryiii

.pre-commit-config.yaml

@@ -26,7 +26,7 @@ repos:
       # exclude generated files
       exclude: ^validation/|\.dtd$|\.xml$
 
-- repo: https://github.com/charliermarsh/ruff-pre-commit
+- repo: https://github.com/astral-sh/ruff-pre-commit
   rev: "v0.0.270"
   hooks:
     - id: ruff