melange/update block: provide config option to indicate that automated pull requests should be merged in order rather than superseding and closing previous unmerged PRs #2951

Job	Run time
Build melange and add to artifact cache	35s
Build packages (bubblewrap, hello-wolfi)	1m 25s
Build packages (bubblewrap, glibc)	13m 17s
Build packages (bubblewrap, tini)	1m 9s
Build packages (bubblewrap, lzo)	1m 29s
Build packages (bubblewrap, bubblewrap)	1m 12s
Build packages (bubblewrap, gitsign)	2m 44s
Build packages (bubblewrap, guac)	4m 6s
Build packages (bubblewrap, mdbook)	3m 50s
Build packages (bubblewrap, s3cmd)	1m 24s
Build packages (bubblewrap, perl-yaml-syck)	1m 12s
Build packages (bubblewrap, ncurses)	2m 12s
Build packages (qemu, hello-wolfi)	2m 14s
Build packages (qemu, glibc)	14m 1s
Build packages (qemu, tini)	2m 4s
Build packages (qemu, lzo)	1m 52s
Build packages (qemu, bubblewrap)	2m 17s
Build packages (qemu, gitsign)	3m 40s
Build packages (qemu, guac)	4m 43s
Build packages (qemu, mdbook)	4m 27s
Build packages (qemu, s3cmd)	1m 38s
Build packages (qemu, perl-yaml-syck)	1m 42s
Build packages (qemu, ncurses)	2m 52s
	1h 16m 5s

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