Add pm2-runtime to IGNORED_GLOBAL_BINARIES constant

[meowsus]

I'm proposing we add pm2-runtime to the list of IGNORED_GLOBAL_BINARIES based on this documentation which indicates that pm2 should be installed globally inside of Docker containers and invoked using the pm2-runtime binary.

In my specific use case we have a script in our package.json file called workers:prod which uses this binary, e.g. pm2-runtime start pm2.config.js, which will fail the knip --include binaries check since its not added to our package and is only necessary in our production environment.

I'm curious if others have a strong feeling for or against including this entry.