Update README.md

Update DOI badge for v1.5-beta.3 release

Author: alphabetanetcom

README.md

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 **Secure Python Code Manager**
 
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.14029910.svg)](https://doi.org/10.5281/zenodo.14029910)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.14030325.svg)](https://doi.org/10.5281/zenodo.14030325)
 
 **Secure Python Code Manager** is a command-line tool designed to help
 developers **securely share and protect their Python code** using