Small change: One line brew install :)

[quackduck]

Description

Use the shorthand tap and install Homebrew command instead of separately tapping and then installing. Just a small edit for a one line install :)

Steps

• [ ] My change requires a change to the documentation
• [ ] I have updated the accessible documentation according
• [x] I have read the CONTRIBUTING.md file
• [x] There is no duplicate open or closed pull request for this fix/addition/issue resolution.