Bump codecov/codecov-action from 4 to 5#16

inkydragon merged 2 commits intomasterJuliaMath/Xsum.jl:masterfrom

dependabot/github_actions/codecov/codecov-action-5JuliaMath/Xsum.jl:dependabot/github_actions/codecov/codecov-action-5Copy head branch name to clipboard