According to Apple about the current release:
"if your Mac is running OS X Mountain Lion 10.8 or later, you can upgrade directly to macOS Mojave."
You can read it at:
Upgrade to macOS Ventura - Official Apple Support
Learn more about how to upgrade to macOS Ventura. Upgrading to Ventura helps you get more done, collaborate in your favorite apps, and take advantage of your other devices. You also get the latest security and privacy protections when you upgrade.www.apple.com
Nope? What did you think I said? I pointed out one reason why his computer does NOT qualify to upgrade directly to macOS Mojave.