build(deps): bump actions/download-artifact from 6 to 7 (#417)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -447,13 +447,13 @@ jobs:
         with:
           path: iguana_src
       - name: download documentation artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           pattern: doc_web*
           path: pages
           merge-multiple: true
       - name: download coverage report
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: coverage-report
           path: coverage-report