ci: using uv with cibuildwheel (#999)

uv seems to save ~15 seconds to a minute on each job.

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Hans Dembinski <HDembinski@users.noreply.github.com>

.github/workflows/release.yml

@@ -5,6 +5,9 @@ on:
     branches:
       - main
   workflow_dispatch:
+  pull_request:
+    paths:
+      - .github/workflows/release.yml
 
 env:
   # Latest Jupyter requires this to acknowledge deprecation
@@ -56,7 +59,9 @@ jobs:
       - if: ${{ matrix.arch == 'aarch64' }}
         uses: docker/setup-qemu-action@v3
 
-      - uses: pypa/cibuildwheel@v2.17.0
+      - uses: yezz123/setup-uv@v4
+
+      - uses: pypa/cibuildwheel@v2.19
         env:
           CIBW_BUILD: ${{ matrix.py }}-*
           CIBW_ARCHS: ${{ matrix.arch }}

pyproject.toml

@@ -121,6 +121,7 @@ files = ["src"]
 no_implicit_optional = false
 
 [tool.cibuildwheel]
+build-frontend = "build[uv]"
 # update skip when numpy wheels become available
 skip = ["*-musllinux_*", "cp31?-manylinux_i686"]
 test-requires = "pytest"
@@ -139,3 +140,4 @@ PIP_ONLY_BINARY = ":all:"
 select = "cp3?-*"
 manylinux-x86_64-image = "manylinux2010"
 manylinux-i686-image = "manylinux2010"
+build-frontend = "build"