ci: fix merge job docker metadata

Author: LucioFranco

.github/workflows/publish-server.yml

@@ -156,6 +156,9 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=match,pattern=libsql-server-(.*),group=1
+            type=raw,value=latest
       -
         name: Login to Docker Hub
         uses: docker/login-action@v3