The Manticore team typically does not provide new version packages for old Linuxes that have reached their end of life. If:
.deb
/ .apt
package on https://repo.manticoresearch.com/you can try using Homebrew to install Manticore Search:
brew install manticoresoftware/manticore/manticoresearch manticoresoftware/manticore/manticore-extra
and then start it:
brew services start manticoresearch