bump ecc608 for increased recv retries #1183

Job	Run time
hygiene	2m 50s
build (arm-unknown-linux-gnueabihf)	3m 32s
build (armv5te-unknown-linux-musleabi)	3m 38s
build (armv7-unknown-linux-musleabihf)	3m 2s
build (aarch64-unknown-linux-musl)	3m 26s
build (mips-unknown-linux-musl)	4m 5s
build (mipsel-unknown-linux-musl)	3m 1s
build (x86_64-unknown-debian-gnu)	4m 5s
build (x86_64-tpm-debian-gnu)	3m 3s
docker_buildx	10m 54s
release	0s
	41m 36s

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