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

Updates `actions/download-artifact` from 6 to 7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '7'
  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/ci.yml

@@ -167,7 +167,7 @@ jobs:
             "cmake.define.FASTJET_ENABLE_CGAL"="ON"
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ matrix.python }}-${{ matrix.arch }}
           path: wheelhouse/*.whl

.github/workflows/wheels.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Build SDist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: cibw-sdist
           path: dist/*.tar.gz
@@ -84,7 +84,7 @@ jobs:
             "cmake.define.FASTJET_ENABLE_CGAL"="ON"
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ matrix.python }}-${{ matrix.arch }}
           path: wheelhouse/*.whl
@@ -93,7 +93,7 @@ jobs:
     needs: [make_sdist]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           pattern: cibw-*
           path: dist
@@ -119,7 +119,7 @@ jobs:
     if: github.event_name == 'release' && github.event.action == 'published'
 
     steps:
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           pattern: cibw-*
           path: dist