Backport PR #30817 on branch v3.10.x (Update sphinx-gallery header patch)#30818

timhoffm merged 1 commit intomatplotlib:v3.10.xmatplotlib/matplotlib:v3.10.xfrom

meeseeksmachine:auto-backport-of-pr-30817-on-v3.10.xmeeseeksmachine/matplotlib:auto-backport-of-pr-30817-on-v3.10.xCopy head branch name to clipboard