Fix apt cache cleanup in nethermind Dockerfile (#526)

Author: strmfos

nethermind/Dockerfile

@@ -35,7 +35,7 @@ FROM mcr.microsoft.com/dotnet/aspnet:9.0-noble
 
 RUN apt-get update && \
     apt-get install -y jq curl supervisor && \
-    rm -rf /var/lib/apt/lists
+    rm -rf /var/lib/apt/lists/*
 
 RUN mkdir -p /var/log/supervisor