Fixed footer year typo from 2022 to 2023#1763

aryaa-05 wants to merge 1 commit intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

aryaa-05:bug-fix-revertaryaa-05/mcino-Introduction-to-Git-and-GitHub:bug-fix-revertCopy head branch name to clipboard