Nightly builds

Hi internals, currently, as far as I know, php does not have nightly builds. By nighly I means builds/releases that are tested to pass all CI tests. This is not the case with master branch, as that branch can be failing tests. I propose to introduce "nightly" branch that will point to "the latest master head that passed all CI tests". To limit cache misses on dependent projects/builds (like docker images), I propose to update "nightly" branch no more than once per day. This will allow php comunity reliable testing of new language/engine features much more sooned until next php minor version has an alpha release. What is your opinion on this and is here someone that can implement it? With kind regards / Mit freundlichen Grüßen / S přátelským pozdravem, Michael Voříšek ČVUT FEL