Merge branch 'js/ci-windows-update'

GitHub Actions / CI update. * js/ci-windows-update: ci: accelerate the checkout ci (vs-build): build with NO_GETTEXT artifacts-tar: respect NO_GETTEXT ci (windows): transfer also the Git-tracked files to the test jobs ci: upgrade to using actions/{up,down}load-artifacts v2 ci (vs-build): use `cmd` to copy the DLLs, not `powershell` ci: use the new GitHub Action to download git-sdk-64-minimal