Backport PR #29810 on branch v3.10.x (Declare free-threaded support in MacOS backend extension)#30656

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

meeseeksmachine:auto-backport-of-pr-29810-on-v3.10.xmeeseeksmachine/matplotlib:auto-backport-of-pr-29810-on-v3.10.xCopy head branch name to clipboard