Does modifying .gitpod.yml invalidate existing Gitpod prebuilds?
Gitpod workspaces use .gitpod.yml to define init tasks, ports, and workspace configuration, and prebuilds run initialization on push so later workspace starts can reuse completed steps. Prebuilds are associated with branches or pull requests rather than every ref automatically. The unresolved behavior is whether editing .gitpod.yml invalidates existing prebu