Build/Test Tools: Update to Ubuntu 26.04 and pin the Windows runner in the 5.4 branch. - #15551

Build/Test Tools: Update to Ubuntu 26.04 and pin the Windows runner in the 5.4 branch.#15551

desrosj wants to merge 2 commits into

WordPress:5.4WordPress/wordpress-develop:5.4from

desrosj:update-runners-ubuntu-26.04-5.4desrosj/wordpress-develop:update-runners-ubuntu-26.04-5.4Copy head branch name to clipboard