Adding the new locked = false for cargo backend breaks toml parsing

[kemitix]

Describe the bug

Attempting to use the new syntax for the Cargo backend breaks the parsing of the config.toml file.

When I add the following line to my ~/.config/mise/config.toml file:

"cargo:https://github.com/getzola/zola" = { version = "tag:v0.19.2", locked = false }

I get the following appearing on my terminal (with RUST_BACKTRACE=1) as soon as I save the file:

The application panicked (crashed).
Message:  called `Option::unwrap()` on a `None` value
Location: src/config/config_file/mise_toml.rs:911

  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
                                ⋮ 8 frames hidden ⋮
   9: core::panicking::panic::hee236ca94fc05047
      at <unknown source file>:<unknown line>
  10: core::option::unwrap_failed::h187ebe480b20e6be
      at <unknown source file>:<unknown line>
  11: <serde_ignored::Wrap<X,F> as serde::de::Visitor>::visit_map::h6ebc2cbccb96e275
      at <unknown source file>:<unknown line>
  12: <serde_ignored::Wrap<X,F> as serde::de::Visitor>::visit_map::hd33798b69dd3c011
      at <unknown source file>:<unknown line>
  13: <serde_ignored::TrackedSeed<X,F> as serde::de::DeserializeSeed>::deserialize::h5a2b56a77e2fa841
      at <unknown source file>:<unknown line>
  14: <serde_ignored::Wrap<X,F> as serde::de::Visitor>::visit_map::hfdd4698c8ef49a9a
      at <unknown source file>:<unknown line>
  15: mise::config::config_file::mise_toml::MiseToml::from_str::h3261fb613966d014
      at <unknown source file>:<unknown line>
  16: mise::config::config_file::parse::h2057d2b646b2f386
      at <unknown source file>:<unknown line>
  17: rayon::iter::plumbing::bridge_producer_consumer::helper::hdcab646e6fbd6de5
      at <unknown source file>:<unknown line>
  18: mise::config::Config::load::h2af3f4bdea0c9f96
      at <unknown source file>:<unknown line>
  19: mise::config::Config::try_get::h48cffc6362e85717
      at <unknown source file>:<unknown line>
  20: mise::cli::Commands::run::h776eb396efd13402
      at <unknown source file>:<unknown line>
  21: mise::cli::Cli::run::h1ed7258a01c9acdd
      at <unknown source file>:<unknown line>
  22: mise::main::h0e38fb67b673adfe
      at <unknown source file>:<unknown line>
  23: std::sys::backtrace::__rust_begin_short_backtrace::hfb24e4426ad7ce5d
      at <unknown source file>:<unknown line>
  24: _main<unknown>
      at <unknown source file>:<unknown line>

To Reproduce

1. Add the following line to my ~/.config/mise/config.toml file: "cargo:https://github.com/getzola/zola" = { version = "tag:v0.19.2", locked = false }

Expected behavior

No error to appear.

mise doctor output

version: 2024.11.28 macos-arm64 (f88950e 2024-11-24)
activated: yes
shims_on_path: no

build_info:
  Target: aarch64-apple-darwin
  Features: DEFAULT, NATIVE_TLS, OPENSSL
  Built: Sun, 24 Nov 2024 15:46:27 +0000
  Rust Version: rustc 1.82.0 (f6e511eec 2024-10-15)
  Profile: release

shell:
  /opt/homebrew/bin/bash
  GNU bash, version 5.2.26(1)-release (aarch64-apple-darwin23.2.0)
  Copyright (C) 2022 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

  This is free software; you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.

dirs:
  cache: ~/Library/Caches/mise
  config: ~/.config/mise
  data: ~/.local/share/mise
  shims: ~/.local/share/mise/shims
  state: ~/.local/state/mise
The application panicked (crashed).
Message:  called `Option::unwrap()` on a `None` value
Location: src/config/config_file/mise_toml.rs:911

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.
The application panicked (crashed).
Message:  called `Option::unwrap()` on a `None` value
Location: src/config/config_file/mise_toml.rs:911

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

Additional context

Confirm that this problem only appears when the new syntax is used.