build(deps): 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](https://github.com/actions/download-artifact/compare/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] <support@github.com>

.github/workflows/docker-build.yaml

@@ -535,7 +535,7 @@ jobs:
           IMAGE_NAME: '${{ github.repository }}'
 
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: digests-main-*
           path: /tmp/digests
@@ -589,7 +589,7 @@ jobs:
           IMAGE_NAME: '${{ github.repository }}'
 
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: digests-cuda-*
           path: /tmp/digests
@@ -645,7 +645,7 @@ jobs:
           IMAGE_NAME: '${{ github.repository }}'
 
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: digests-cuda126-*
           path: /tmp/digests
@@ -701,7 +701,7 @@ jobs:
           IMAGE_NAME: '${{ github.repository }}'
 
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: digests-ollama-*
           path: /tmp/digests
@@ -757,7 +757,7 @@ jobs:
           IMAGE_NAME: '${{ github.repository }}'
 
       - name: Download digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           pattern: digests-slim-*
           path: /tmp/digests