fix: python pip ubuntu

l1-contracts/Dockerfile

@@ -1,7 +1,7 @@
 # Building requires foundry.
 # FROM ghcr.io/foundry-rs/foundry:nightly-4a643801d0b3855934cdec778e33e79c79971783
 FROM ubuntu:lunar
-RUN apt update && apt install git jq bash nodejs npm yarn python3 py3-pip -y && pip3 install slither-analyzer==0.10.0 slitherin==0.5.0
+RUN apt update && apt install git jq bash nodejs npm yarn python3 python3-pip -y && pip3 install slither-analyzer==0.10.0 slitherin==0.5.0
 
 RUN curl -L https://foundry.paradigm.xyz | bash
 RUN source ~/.bashrc