Regression in handling tfenv regex in .terraform-version

[mengesb]

Describe the bug

Mise is not properly parsing .terraform-version files from tfenv when regex is present. tfenv allows for a latest:<regex> syntax, so something like latest:^1\.[0-9]\+\.[0-9]\+$ ensures a semver compatible result. Unfortunately using something like latest:^1\.0 will result in version retuns for -alpha or -beta, etc, type versions, so this ensures a released compatible version is matched.

To Reproduce

1. echo 'latest:^1.[0-9]+.[0-9]+$' > .terraform-version
2. mise install

Expected behavior

mise installs correct version terraform

mise doctor output

version: 2024.12.20 macos-arm64 (2024-12-25)
activated: yes
shims_on_path: no

build_info:
  Target: aarch64-apple-darwin
  Features: DEFAULT, NATIVE_TLS
  Built: Wed, 25 Dec 2024 20:45:03 +0000
  Rust Version: rustc 1.83.0 (90b35a623 2024-11-26) (Homebrew)
  Profile: release

shell:
  /bin/zsh
  zsh 5.9 (arm64-apple-darwin24.0)

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

env_vars:
  MISE_SHELL=zsh

settings:

1 warning found:

1. plugin python overrides a core plugin

1 problem found:

1. failed to load config: error parsing config file: ~/source/-REDACTED-/-REDACTED-/.terraform-version

mise ERROR error parsing config file: ~/source/-REDACTED-/-REDACTED-/.terraform-version                                                                                      
mise ERROR invalid tool version request: latest:^1\.[0-9]\+\.[0-9]\+$
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information

Additional context

Looks like regression of #917 or #1727

➜  -REDACTED- git:(main) ✗ tfenv use
Switching default version to v1.10.3
Default version file overridden by /Users/-REDACTED-/source/-REDACTED-/-REDACTED-/.terraform-version, changing the default version has no effect
Default version (when not overridden by .terraform-version or TFENV_TERRAFORM_VERSION) is now: 1.10.3
mise ERROR error parsing config file: ~/source/-REDACTED-/-REDACTED-/.terraform-version                                                                                      
mise ERROR invalid tool version request: latest:^1\.[0-9]\+\.[0-9]\+$
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information