mise should trust the global and system configuration by default

[dgholz]

Describe the bug
After installing 2024.11.29 (but probably introduced in 2024.11.27), when running mise I see:

mise ERROR error parsing config file: ~/.config/mise/config.toml
mise ERROR Config file ~/.config/mise/config.toml is not trusted.
Trust it with `mise trust`.
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information

The directions are straightforward and resolve the warning, but I think the non-local config files should be trusted by default:

• ~/.config/mise/config.toml
• /etc/mise/config

To Reproduce
Install 2024.11.29 with an existing global config file.

Expected behavior
No warnings shown about untrusted global config files.

mise doctor output

24.11.29 macos-arm64 (2024-11-25)
activated: yes
shims_on_path: no

build_info:
  Target: aarch64-apple-darwin
  Features: DEFAULT, NATIVE_TLS
  Built: Mon, 25 Nov 2024 04:03:52 +0000
  Rust Version: rustc 1.82.0 (f6e511eec 2024-10-15) (Homebrew)
  Profile: release

shell:
  /bin/bash
  GNU bash, version 3.2.57(1)-release (arm64-apple-darwin23)
  Copyright (C) 2007 Free Software Foundation, Inc.

dirs:
  cache: ~/Library/Caches/mise
  config: ~/.config/mise
  data: ~/.local/share/mise
  shims: ~/.local/share/mise/shims
  state: ~/.local/state/mise

config_files:
  ~/.config/mise/config.toml
  ~/.mise.toml
  ~/code/project/.nvmrc
  ~/code/project/.ruby-version
  ~/code/project/Gemfile

backends:
  aqua
  asdf
  cargo
  core
  go
  npm
  pipx
  spm
  ubi
  vfox

plugins:
  terraform   https://github.com/asdf-community/asdf-hashicorp.git#22eb1c4
  terragrunt  https://github.com/ohmer/asdf-terragrunt.git#4a6651a

toolset:
  asdf:terraform@1.9.8
  core:node@20.12.2
  core:ruby@3.3.5

env_vars:
  MISE_NODE_COREPACK=true
  MISE_SHELL=bash

settings:
  activate_aggressive = false
  all_compile = false
  always_keep_download = false
  always_keep_install = false
  asdf_compat = false
  cache_prune_age = "30d"
  ci = false
  color = true
  debug = false
  disable_backends = []
  disable_default_registry = false
  disable_hints = []
  disable_tools = []
  exec_auto_install = true
  experimental = false
  fetch_remote_versions_cache = "1h"
  fetch_remote_versions_timeout = "10s"
  go_default_packages_file = "~/.default-go-packages"
  go_download_mirror = "https://dl.google.com/go"
  go_repo = "https://github.com/golang/go"
  go_set_gopath = false
  go_set_goroot = true
  go_skip_checksum = false
  http_timeout = "30s"
  ignored_config_paths = []
  jobs = 4
  legacy_version_file = true
  legacy_version_file_disable_tools = []
  libgit2 = true
  lockfile = true
  log_level = "info"
  not_found_auto_install = true
  paranoid = false
  pin = false
  plugin_autoupdate_last_check_duration = "7d"
  quiet = false
  raw = false
  task_run_auto_install = true
  task_skip = []
  trace = false
  trusted_config_paths = []
  unix_default_file_shell_args = ["sh"]
  unix_default_inline_shell_args = [
      "sh",
      "-c",
  ]
  use_file_shell_for_executable_tasks = false
  use_versions_host = true
  verbose = false
  windows_default_file_shell_args = [
      "cmd",
      "/c",
  ]
  windows_default_inline_shell_args = [
      "cmd",
      "/c",
  ]
  windows_executable_extensions = [
      "exe",
      "bat",
      "cmd",
      "com",
      "ps1",
      "vbs",
  ]
  yes = false

  [aqua]
  cosign = true
  slsa = true

  [cargo]
  binstall = true

  [node]

  [npm]
  bun = false

  [pipx]
  uvx = false

  [python]
  default_packages_file = "~/.default-python-packages"
  pyenv_repo = "https://github.com/pyenv/pyenv.git"
  venv_auto_create = false
  venv_stdlib = false

  [ruby]
  default_packages_file = "~/.default-gems"
  ruby_build_repo = "https://github.com/rbenv/ruby-build.git"
  ruby_install = false
  ruby_install_repo = "https://github.com/postmodern/ruby-install.git"

  [status]
  missing_tools = "always"
  show_env = true
  show_tools = false

No problems found

Additional context
Add any other context about the problem here. Consider running mise with --debug or --trace for extra debug info.