bug-fix-typo: update footer year to 2023#775

forged-by-sim wants to merge 2 commits intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

forged-by-sim:bug-fix-typoforged-by-sim/mcino-Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard