subprocess: Backport upstream changes #32567

1. 
   hebasto commented at 10:56 am on May 20, 2025: member

   A list of the backported PRs:

   • https://github.com/arun11299/cpp-subprocess/pull/119

   The following PRs were skipped for backporting:

   • https://github.com/arun11299/cpp-subprocess/pull/118 because there is no changes in the header code.

   Required for #32566.

2. 
   DrahtBot commented at 10:56 am on May 20, 2025: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/32567.

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3. 
   hebasto commented at 10:56 am on May 20, 2025: member

   cc @laanwj
4. hebasto force-pushed on May 20, 2025
5. 
   fanquake commented at 11:03 am on May 20, 2025: member

   Can’t this just go in with #32566? Why does it need it’s own PR?
6. subprocess: Don't add an extra whitespace at end of Windows command line

   The windows code adds an unnecessary extra space to the command line.
   This can cause subtle issues, so avoid it.
   
   Github-Pull: arun11299/cpp-subprocess#119
   Rebased-From: 777cfa77d1f84bb08b3e445d5f7fc6c87282223b

   e63a7034f0
7. hebasto force-pushed on May 20, 2025
8. 
   hebasto commented at 11:11 am on May 20, 2025: member

   Can’t this just go in with #32566? Why does it need it’s own PR?

   It would be easier to track backports.

Contributors
hebasto DrahtBot fanquake