deps(workflows): bump actions/download-artifact from 6 to 7 (#258)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -315,15 +315,15 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Download built sdist
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           # unpacks default artifact into dist/
           # if `name: artifact` is omitted, the action will create extra parent dir
           name: sdist
           path: dist
 
       - name: Download built wheels
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           pattern: wheels-*
           path: dist
@@ -386,7 +386,7 @@ jobs:
           fi
 
       - name: Download built artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           # unpacks default artifact into dist/
           # if `name: artifact` is omitted, the action will create extra parent dir