The retrieved Vue version number is incorrect.

[wkeylin]

Describe the bug

The main Vue 2 project at /project/ and a Vue 3 based docs subdirectory at /project/docs
getVueVersion will return wrong version because of this issue unjs/mlly#158

unplugin-vue-components/src/core/options.ts

Lines 86 to 93 in 3e2c889

	function getVueVersion(root: string): 2 | 2.7 | 3 {
	const raw = getPackageInfoSync('vue', { paths: [root] })?.version || '3'
	const version = +(raw.split('.').slice(0, 2).join('.'))
	if (version === 2.7)
	return 2.7
	else if (version < 2.7)
	return 2
	return 3

Reproduction

https://github.com/wkeylin/mlly-demo

System Info

System:
    OS: macOS 14.5
    CPU: (8) arm64 Apple M1 Pro
    Memory: 96.22 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 22.2.0 - ~/.volta/tools/image/node/22.2.0/bin/node
    Yarn: 1.22.19 - ~/.volta/bin/yarn
    npm: 10.7.0 - ~/.volta/tools/image/node/22.2.0/bin/npm
    pnpm: 8.15.8 - ~/.volta/tools/image/pnpm/8.15.8/bin/pnpm
  Browsers:
    Chrome: 125.0.6422.142
    Safari: 17.5

Used Package Manager

pnpm

Validations

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• Read the Contributing Guide.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.
• The provided reproduction is a minimal reproducible of the bug.