fetchpriority attribute in <script> is stripped from index.html after build

[ferferga]

Describe the bug

If an script element is given a valid fetchpriority attribute () in the entrypoint's index.html, it is completely stripped away in the output.

Reproduction

https://stackblitz.com/edit/vue3-vite-typescript-starter-f76uyg?file=index.html

Steps to reproduce

1. Install the dependencies of the stackblitz playground (if not done automatically)
2. Check how fetchpriority is set in the root index.html's main script tag and build the application with npm run build.
3. Check how fetchpriority is missing from the build output at dist/index.html.

System Info

System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 18.20.3 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 10.2.3 - /usr/local/bin/npm
    pnpm: 8.15.6 - /usr/local/bin/pnpm
  npmPackages:
    @vitejs/plugin-vue: 5.1.3 => 5.1.3 
    vite: 5.4.3 => 5.4.3

Used Package Manager

npm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[stackblitz]

Start a new pull request in StackBlitz Codeflow.

• vue3-vite-typescript-starter-f76uyg (Open reproduction)

[bluwy]

I think this is likely the same issue as #17322, instead of <link>, Vite also re-constructs the script tags (for cases like combining multiple scripts).