bump version into v0.4

Signed-off-by: Sun, Xuehao <[email protected]>

Author: XuehaoSun

README.md

@@ -5,7 +5,7 @@ AutoRound
 <h3> Advanced Quantization Algorithm for LLMs</h3>
 
 [![python](https://img.shields.io/badge/python-3.9%2B-blue)](https://github.com/intel/auto-round)
-[![version](https://img.shields.io/badge/release-0.3.1-green)](https://github.com/intel/auto-round)
+[![version](https://img.shields.io/badge/release-0.4-green)](https://github.com/intel/auto-round)
 [![license](https://img.shields.io/badge/license-Apache%202-blue)](https://github.com/intel/auto-round/blob/main/LICENSE)
 ---
 <div align="left">

auto_round/version.py

@@ -14,4 +14,4 @@
 """Intel® auto-round: An open-source Python library
 supporting popular model weight only compression based on signround."""
 
-__version__ = "0.4.0.dev"
+__version__ = "0.4"