ci: bump setup-uv to maintained tag scheme (#202)

The old vX tags have been dropped to (force) (usually) better security practices. Dependabot will not update, however, leaving this v7 tag forever. Manually updating now.

See astral-sh/setup-uv#830

Committed via https://github.com/asottile/all-repos

Author: henryiii

.github/workflows/wheels.yml

@@ -51,7 +51,7 @@ jobs:
       with:
         submodules: true
 
-    - uses: astral-sh/setup-uv@v7
+    - uses: astral-sh/setup-uv@v8.0.0
 
     - uses: pypa/cibuildwheel@v3.4