cms: ECC KeyAgreementRecipientInfo initial support #3204

Job	Run time
build (1.81.0, thumbv7em-none-eabi)	1m 26s
minimal-versions	0s
build (1.81.0, wasm32-unknown-unknown)	1m 17s
derive (1.81.0)	21s
build (stable, thumbv7em-none-eabi)	1m 11s
derive (stable)	24s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.81.0, sudo apt update && sudo apt install gcc-mult...	10m 1s
build (stable, wasm32-unknown-unknown)	1m 10s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	9m 39s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.81.0)	10m 3s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	9m 26s
	44m 58s

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