Bump actions/download-artifact from 5 to 6

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-tool-packages.yml

@@ -105,7 +105,7 @@ jobs:
 
     - name: Download artifact
       if: env.excludewinarm == 'true'
-      uses: actions/download-artifact@v5
+      uses: actions/download-artifact@v6
       with:
         name: ${{ env.ARTIFACT_NAME }}
         path: ${{ runner.temp }}/${{ env.ARTIFACT_NAME }}
@@ -177,7 +177,7 @@ jobs:
     needs: test
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/download-artifact@v5
+    - uses: actions/download-artifact@v6
 
     - name: Generate release body
       id: generate-release-body