Stores all nightly releases of the new Roc compiler, to avoid bloating roc-lang/roc.
Every nightly nightly-<date>-<commit> also has a nightly-<date>-<commit>-safe release: the same compiler built with Zig's ReleaseSafe mode, which keeps safety checks such as bounds and integer overflow checks on. This protects against exploits: seemingly pure Roc code that tricks the compiler into emitting malicious effectful code. With the checks on, such a compiler bug panics instead of silently corrupting memory. It is slower than the regular build, and is never marked as the latest release.