chore: Update actions/download-artifact action to v4.3.0 (#111)

Co-authored-by: seqeralabs-renovate[bot] <269134929+seqeralabs-renovate[bot]@users.noreply.github.com>

Author: seqeralabs-renovate[bot]

.github/workflows/build.yml

@@ -133,7 +133,7 @@ jobs:
           fetch-depth: 0
 
       - name: Download all build artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
 
       - name: Setup Java for JReleaser
         uses: actions/setup-java@v4