update `go-eth2-client` #198

Job	Run time
Run code checks / Run code checks	2m 36s
Build Dora / Build linux/arm64 binary	1m 32s
Build Dora / Build macos/amd64 binary	2m 54s
Build Dora / Build linux/amd64 binary	22s
Build Dora / Build macos/arm64 binary	3m 19s
Build Dora / Build windows/amd64 binary	3m 59s
Build Dora / Build amd64 docker image	27s
Build Dora / Build arm64 docker image	1m 24s
Build Dora / Build multiarch docker image	8s
Build Dora / Build additional docker manifests (master)	8s
Build Dora / Build additional docker manifests (master-latest)	18s
Create snapshot release	21s
	17m 28s

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