Revert "Fix typo: update footer year from 2022 to 2023"

This reverts commit 9a697bd.

reverted to previous changes.
...oject/jbbmo-Introduction-to-Git-and-GitHub/.git/COMMIT_EDITMSG *
reverted to previous changes.

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Author: isha1724

README.md

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