Can't use in rspack when have style block

[Gehbt]

Describe the bug

when vue sfc include a style block, plugin will run fail.

That will work in webpack.

Reproduction

https://github.com/Gehbt/uv-bug-repo

System Info

System:
    OS: Windows 11 10.0.22631
    CPU: (20) x64 12th Gen Intel(R) Core(TM) i7-12700H
    Memory: 28.53 GB / 63.67 GB
  Binaries:
    Node: 20.12.2 - ~\AppData\Local\fnm_multishells\16328_1725520498457\node.EXE
    Yarn: 1.22.19 - ~\AppData\Local\fnm_multishells\16328_1725520498457\yarn.CMD
    npm: 10.5.0 - ~\AppData\Local\fnm_multishells\16328_1725520498457\npm.CMD
    pnpm: 9.9.0 - ~\AppData\Local\fnm_multishells\16328_1725520498457\pnpm.CMD
    bun: 1.1.26 - ~\.bun\bin\bun.EXE
  Browsers:
    Edge: Chromium (127.0.2651.74), ChromiumDev (128.0.2677.1)
    Internet Explorer: 11.0.22621.3527

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.
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• The provided reproduction is a minimal reproducible of the bug.

[sxzz]

Reported it upstream unjs/unplugin#415

[sxzz]

Fix & released as 5.1.5