next.js

ca72695f - perf(turbopack): Introduce runtime analysis for immutable tasks (#80422)

perf(turbopack): Introduce runtime analysis for immutable tasks (#80422) ### What? After the execution of a turbo task function, we can mark it as immutable if it does not have a way to invalidate itself. With the immutable flag, we optimize some overhead of turbo tasks by skipping activeness tracking. ### Why? ### How?