chore(deps): Update actions/download-artifact action to v4.3.0

Author: renovate[bot]

.github/workflows/reusable-tox.yml

@@ -266,7 +266,7 @@ jobs:
     - name: Download all the dists
       if: >-
         contains(fromJSON('["metadata-validation", "pytest"]'), inputs.toxenv)
-      uses: actions/download-artifact@b14cf4c92620c250e1c074ab0a5800e37df86765  # v4.2.0
+      uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093  # v4.3.0
       with:
         name: ${{ inputs.dists-artifact-name }}
         path: dist/