feat: add support to add and drop linux capabilities #3033

Job	Run time
Build melange and add to artifact cache	35s
Build packages (bubblewrap, hello-wolfi)	1m 36s
Build packages (bubblewrap, glibc)	13m 30s
Build packages (bubblewrap, tini)	1m 36s
Build packages (bubblewrap, lzo)	1m 41s
Build packages (bubblewrap, bubblewrap)	1m 13s
Build packages (bubblewrap, gitsign)	2m 51s
Build packages (bubblewrap, guac)	3m 48s
Build packages (bubblewrap, mdbook)	4m 11s
Build packages (bubblewrap, s3cmd)	1m 32s
Build packages (bubblewrap, perl-yaml-syck)	1m 12s
Build packages (bubblewrap, ncurses)	2m 22s
Build packages (qemu, hello-wolfi)	1m 57s
Build packages (qemu, glibc)	13m 50s
Build packages (qemu, tini)	2m 16s
Build packages (qemu, lzo)	2m 2s
Build packages (qemu, bubblewrap)	1m 48s
Build packages (qemu, gitsign)	3m 28s
Build packages (qemu, guac)	4m 49s
Build packages (qemu, mdbook)	4m 52s
Build packages (qemu, s3cmd)	2m 1s
Build packages (qemu, perl-yaml-syck)	1m 54s
Build packages (qemu, ncurses)	2m 48s
	1h 17m 52s

Provide feedback