Revert "Fix typo in footer: update year to 2023"

CKNAMESSTUTTER · CKNAMESSTUTTER · commit e037d9927b7e · 2024-12-24T16:18:46.000+07:00
This reverts commit 5a67f8f.
diff --git a/README.md b/README.md
@@ -13,4 +13,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2023 XYZ, Inc._
+_© 2022 XYZ, Inc._
