2 weeks ago
take a search for minecraft on https://community.linuxmint.com/software/search and you see three different softwares:
the download is provided at https://www.minecraft.net/en-us/download, but it would be nice to have it in the software manager
also there's a warning saying that the latest version on the minecraft site might be outdated which is wildly untrue.
This is not an idea, please use the chat forum
That message is telling you there's an older version in the Software Manager, which is obviously true as I'm sure you've noticed.
And it's extremely rare for an LTS distro to have the latest of anything. That's the nature of the beast.