feat: reuse precompiled objects of targets in srcs #287

Job	Run time
coverage	1m 19s
compilation_modes (fastbuild)	1m 20s
rbe	0s
compilation_modes (dbg)	1m 18s
distros (ubuntu-20.04)	1m 20s
compilation_modes (opt)	1m 17s
distros (ubuntu-22.04)	1m 19s
sanitizers (asan)	1m 11s
sanitizers (lsan)	1m 16s
sanitizers (tsan)	1m 19s
sanitizers (ubsan)	1m 20s
	12m 59s

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