CI: Bump actions/download-artifact@v4

Author: ccrisan

.github/workflows/main.yml

@@ -88,7 +88,7 @@ jobs:
       - name: Source code checkout
         uses: actions/checkout@v3
       - name: Restore python package
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package
           path: dist
@@ -119,7 +119,7 @@ jobs:
       id-token: write
     steps:
       - name: Restore python package
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package
           path: dist
@@ -136,7 +136,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Restore python package
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package
           path: dist
@@ -162,7 +162,7 @@ jobs:
       - name: Source code checkout
         uses: actions/checkout@v3
       - name: Restore python package
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package
           path: dist