chore(deps): bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


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

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

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '6'
  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/build.yml

@@ -95,7 +95,7 @@ jobs:
           CIBW_ARCHS: "${{ matrix.arch }}"
           CIBW_BUILD: "cp39-${{ matrix.build }}*"
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ matrix.build }}${{ matrix.arch }}
           path: ./wheelhouse/*.whl
@@ -121,7 +121,7 @@ jobs:
       - name: Build SDist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: cibw-sdist
           path: dist/*.tar.gz
@@ -153,7 +153,7 @@ jobs:
           uv venv --python "${{ steps.python.outputs.python-path }}"
           uv pip install pip --group test
 
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: cibw-sdist
           path: sdist
@@ -185,7 +185,7 @@ jobs:
     needs: [build_wheels, build_sdist, test_sdist]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           pattern: cibw-*
           path: dist
@@ -204,7 +204,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           pattern: cibw-*
           path: dist