Fix typo: update footer to 2023#38784

yash7092 wants to merge 1 commit intoibm-developer-skills-network:masteribm-developer-skills-network/jbbmo-Introduction-to-Git-and-GitHub:masterfrom

yash7092:bug-fix-revertyash7092/jbbmo-Introduction-to-Git-and-GitHub:bug-fix-revertCopy head branch name to clipboard