Bump actions/download-artifact from 4.1.8 to 4.3.0

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.8 to 4.3.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.8...v4.3.0)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 4.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/pythonpackage.yml

@@ -179,7 +179,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install --upgrade twine
-      - uses: actions/download-artifact@v4.1.8
+      - uses: actions/download-artifact@v4.3.0
         with:
           pattern: built-*
           merge-multiple: true
@@ -198,7 +198,7 @@ jobs:
       permissions:
         id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
       steps:
-        - uses: actions/download-artifact@v4.1.8
+        - uses: actions/download-artifact@v4.3.0
           with:
             pattern: built-*
             merge-multiple: true