Upgrade: bump the actions group across 1 directory with 4 updates

Bumps the actions group with 4 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [actions/setup-python](https://github.com/actions/setup-python), [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

Updates `actions/setup-python` from 5 to 6
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

Updates `pypa/cibuildwheel` from 2.23.3 to 3.2.0
- [Release notes](https://github.com/pypa/cibuildwheel/releases)
- [Changelog](https://github.com/pypa/cibuildwheel/blob/main/docs/changelog.md)
- [Commits](pypa/cibuildwheel@v2.23.3...v3.2.0)

Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: pypa/cibuildwheel
  dependency-version: 3.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/commit-checker.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 4
 

.github/workflows/regression.yml

@@ -25,7 +25,7 @@ jobs:
             python-version: pypy3.9
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 2
 
@@ -35,7 +35,7 @@ jobs:
         git fetch --depth=1 origin +refs/tags/*:refs/tags/*
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'

.github/workflows/release.yml

@@ -14,10 +14,10 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-13, macos-14]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.23.3
+        uses: pypa/cibuildwheel@v3.2.0
 
       - uses: actions/upload-artifact@v4
         with:
@@ -28,7 +28,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Build sdist
         run: pipx run build --sdist
@@ -50,7 +50,7 @@ jobs:
     needs: [build_wheels, build_sdist]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           # unpacks all CIBW artifacts into dist/
           pattern: cibw-*
@@ -74,10 +74,10 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.x'
         cache: 'pip'

.github/workflows/testing.yml

@@ -14,9 +14,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Set up Python 3.x
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.x
     - name: Install dependencies
@@ -38,10 +38,10 @@ jobs:
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.x'
         cache: 'pip'
@@ -70,9 +70,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Set up Python 3.x
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.x
     - name: Black