README.md: HTTP => HTTPS (#12063)

Author: Schweinepriester

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="http://badge.fury.io/js/jest"><img src="https://badge.fury.io/js/jest.svg" alt="npm version"></a>
+  <a href="https://badge.fury.io/js/jest"><img src="https://badge.fury.io/js/jest.svg" alt="npm version"></a>
   <a href="https://github.com/facebook/jest/blob/main/LICENSE">
     <img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="Jest is released under the MIT license." />
   </a>