cuprated: add pop blocks command #3069

Job	Run time
fmt	9s
typo	8s
ci (macos-15)	49m 23s
ci (ubuntu-22.04-arm)	47m 32s
wasm-32-bit-support (cuprate-rpc-types)	1m 12s
wasm-32-bit-support (cuprate-fixed-bytes)	38s
ci (ubuntu-22.04)	49m 52s
ci (macos-13)	1h 36m 22s
ci-docker (archlinux:latest, pacman -Syyu --noconfirm base-devel git cmake openssl)	56m 26s
ci-docker (debian:stable, apt update && apt -y install build-essential curl cmake git pkg-config ...	56m 36s
ci-docker (fedora:latest, dnf install --assumeyes @development-tools gcc gcc-c++ cmake git openss...	59m 24s
wasm-32-bit-support (cuprate-epee-encoding)	39s
ci (windows-2022)	1h 21m 14s
	8h 19m 35s

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