chore(sequencer): migrate from `anyhow::Result` to `eyre::Result` #5644

Job	Run time
run_checker / changes	9s
lockfile	23s
compiles	1m 35s
audit	34s
rust	2m 0s
protos-compiled	32s
solidity-contracts-compiled	1m 28s
clippy	53s
doctest	1m 19s
custom-lints	3m 53s
rust-ethereum	1m 9s
test / success	1s
	13m 56s

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