[26.x] Fix compilation with GCC 15 #30722

1. 
   fanquake commented at 10:20 am on August 27, 2024: member

   Backports #30633 to the 26.x branch, so that it can be compiled with GCC 15.
2. add missing #include <cstdint> for GCC 15

   Github-Pull: #30633
   Rebased-From: 138f8671569f7ebb8c84e9d80c44cddeda9e3845

   1a08364686
3. doc: update release notes for 26.x 7d5764fb29
4. 
   DrahtBot commented at 10:20 am on August 27, 2024: contributor

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5. DrahtBot added the label Backport on Aug 27, 2024
6. fanquake requested review from willcl-ark on Aug 28, 2024
7. 
   glozow commented at 8:50 am on August 28, 2024: member

   utACK 7d5764fb2969a3c1addec0d02a5ec38139eae791

   Checked it’s a clean backport and release notes look correct. Didn’t test gcc build.

8. fanquake merged this on Aug 28, 2024
9. fanquake closed this on Aug 28, 2024

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10. fanquake deleted the branch on Aug 28, 2024

Contributors
fanquake DrahtBot glozow

Review Requested
willcl-ark

Labels
Backport