Fixed typo: updated footer to 2023 XYZ, Inc.#39634

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

SnakeEyesojo:bug-fix-typoSnakeEyesojo/jbbmo-Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard