Revert "Updated the footer in README to the latest year"

This reverts commit b1cb45c.

This is a revert from the bug-fix-typo branch from its intial commit

Author: Ibrahim

README.md

@@ -13,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2023 XYZ, Inc._
+_© 2022 XYZ, Inc._