rpc: add support for `wiring.Component` #3577

Job	Run time
smoke (amaranth-lang/amaranth-boards)	30s
test (3.8)	2m 34s
check-links	50s
smoke (amaranth-lang/amaranth-stdio)	42s
document	46s
test (3.9)	2m 28s
smoke (amaranth-lang/amaranth-soc)	43s
test (3.10)	2m 30s
test (3.11)	2m 50s
test (3.12)	3m 42s
test (pypy-3.8)	6m 25s
test (pypy-3.9)	6m 7s
test (pypy-3.10)	4m 46s
test (3.13-dev)	3m 23s
publish-docs	21s
publish-docs-dev	0s
required	1s
publish-schemas	18s
publish-package	46s
publish-release	0s
	39m 42s

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