Backport PR #28273 on branch v3.9.x (CI: Add GitHub artifact attestations to package distribution)#28318

ksunden merged 1 commit intomatplotlib:v3.9.xmatplotlib/matplotlib:v3.9.xfrom

meeseeksmachine:auto-backport-of-pr-28273-on-v3.9.xmeeseeksmachine/matplotlib:auto-backport-of-pr-28273-on-v3.9.xCopy head branch name to clipboard