bzlmod: fix issue with nightly versions

[QuentinPerez]

Hi there 👋

I tried using bzlmod with rules_rust, and I encountered an issue with the download of the toolchains.
I applied a "hotfix," but I'm sure it's not the correct approach. Hence, feel free to take over the PR.

bazel_dep(name = "rules_rust", version = "0.40.0")

rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")

rust.toolchain(
    edition = "2021",
    extra_target_triples = [
        "aarch64-apple-ios-sim",
        "aarch64-apple-ios",
        "aarch64-linux-android",
        "x86_64-unknown-linux-gnu",
    ],
    rustfmt_version = "nightly/2024-02-22",
    versions = ["nightly/2024-02-22"],
)

crate = use_extension(
    "@rules_rust//crate_universe:extension.bzl",
    "crate",
)
crate.from_cargo(
    name = "crates",
    cargo_lockfile = "//:Cargo.lock",
    manifests = [
        "//:Cargo.toml",
    ],
)
use_repo(crate, "crates")

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[QuentinPerez]

@illicitonion what do you think ? Is there a better way to fix it ?

[UebelAndre]

I think this looks good to me!

I had just one minor suggestion.