Add a note about minimum system requirements per OS in the Tor Browser installation instructions
We get a number of user reports of Tor Browser (and it's related binaries) running into issues because users are using very old versions of their operating system. Let's add a note about minimum system requirements in the installation page. We can add something similar to https://www.mozilla.org/en-US/firefox/115.0esr/system-requirements/
related discussion, tpo/applications/tor-browser#42507 (comment 3018353)