docs: update footer in main README.md from 2022 to 2023

DeisyMilenaMar · DeisyMilenaMar · commit c02d54485541 · 2025-02-04T08:44:01.000-05:00
diff --git a/README.md b/README.md
@@ -13,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2022 XYZ, Inc._
+2023 XYZ, Inc.
