fix: update year in README to 2023

Author: Samruddhi-Shinde-2024

README.md

@@ -12,5 +12,6 @@ Input:
 Output
    simple interest = p*t*r
 ```
+This README.md file is maintained by Samruddhi Shinde and Shreyas Chulliyan
 
-_© 2022 XYZ, Inc._
+_© 2023 XYZ, Inc._