const-oid: add `ObjectIdentifierRef` (#1305) #2093

Job	Run time
build (1.60.0, thumbv7em-none-eabi)	1m 38s
build (1.60.0, wasm32-unknown-unknown)	1m 38s
build (stable, thumbv7em-none-eabi)	17s
build (stable, wasm32-unknown-unknown)	16s
test (1.60.0)	1m 55s
test (stable)	34s
minimal-versions / minimal-versions	35s
	6m 53s

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