Merge pull request #226 from microsoft/psl-update-font

docs: Updated the font-size for maintenance status notice in README

Author: Vinay-Microsoft

README.md

@@ -1,7 +1,7 @@
 <hr>
-<p align="center">
-     ⚠️ This repository is no longer maintained ⚠️
-</p>
+<h3 align="center">
+     <b>⚠️ This repository is no longer maintained ⚠️</b>
+</h3>
 <hr>
 
 # Comparative Analysis for Sustainability