Update actions/download-artifact action to v7

Author: renovate[bot]

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Download packages built by build-and-inspect-python-package
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: Packages
           path: dist
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Download packages built by build-and-inspect-python-package
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: Packages
           path: dist