Fix typo: update year to 2023#63

Srini-30 wants to merge 1 commit intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

Srini-30:bug-fix-typoSrini-30/mcino-Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard