Bump actions/download-artifact from 4.1.8 to 4.3.0 (#77)

Author: dependabot[bot]

.github/workflows/pythonpackage.yml

@@ -246,7 +246,7 @@ 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
@@ -313,7 +313,7 @@ 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