Bump actions/download-artifact from 5 to 6 (#1874)

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

@@ -574,7 +574,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: get dist artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: pypi_files_*
           merge-multiple: true
@@ -615,7 +615,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: get dist artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: pypi_files_linux_*
           merge-multiple: true
@@ -673,7 +673,7 @@ jobs:
         uses: astral-sh/setup-uv@v6
 
       - name: get dist artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: pypi_files_*
           merge-multiple: true
@@ -704,7 +704,7 @@ jobs:
         run: uv run .github/check_version.py
 
       - name: get dist artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: pypi_files_*
           merge-multiple: true
@@ -716,7 +716,7 @@ jobs:
       - run: uv publish --trusted-publishing always
 
       - name: get wasm dist artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: wasm_wheels
           path: wasm