fix docker tag command

Author: maxknv

ci/praktika/docker.py

@@ -94,11 +94,8 @@ def merge_manifest(
         commands.append(f"docker manifest push {config.name}:{digests[config.name]}")
 
         if add_latest:
-            commands.append(
-                "docker manifest create --amend "
-                + " ".join((f"{config.name}:{t}" for t in tags))
-            )
-            commands.append(f"docker manifest push {config.name}:latest")
+            commands.append(f"docker tag {config.name}:{tags[0]} {config.name}:latest")
+            commands.append(f"docker push {config.name}:latest")
 
         return Result.from_commands_run(
             name=f"merge: {config.name}:{digests[config.name]} (latest={add_latest})",