Bump actions/download-artifact from 4 to 5

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
           fetch-depth: 0
 
       - name: Download CMake Artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: linux-x64
           path: ./downloads

.github/workflows/publish-container-images.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Download CMake Artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: linux-*
           path: ./downloads

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
         uses: hmarr/debug-action@v3
 
       - name: download
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: ${{ runner.workspace }}/downloads
           merge_multiple: false  # some artifacts have the same name and so can not be aggregated in a single directory