Fix typo in README.md footer

Nuceleus · Nuceleus · commit 6c6be87efb15 · 2025-08-31T14:49:57.000-04:00
diff --git a/README.md b/README.md
@@ -13,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2022 XYZ, Inc._
+_© 2023 XYZ, Inc._
