fix: illegal filename of route meta chunks on windows

[cnyballk]

🤔 这个变动的性质是？/ What is the nature of this change?

• [X] bug 修复 / Fix bug

🔗 相关 Issue / Related Issue

1990

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Name	Status	Preview	Comments	Updated (UTC)
dumi	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 7, 2024 10:15am