Validate mnemonic word length #1350

Job	Run time
wasm-transform cargo:test	58s
wasm-chain-integration cargo:test	14m 49s
counter cargo:test	40s
smart-contracts/escrow lint:clippy	42s
smart-contracts/lockup lint:clippy	47s
smart-contracts/wasm-chain-integration lint:clippy	1m 3s
smart-contracts/use-all-host-functions lint:clippy	40s
smart-contracts/wasm-chain-integration lint:clippy	1m 12s
smart-contracts/rate-limited lint:clippy	45s
smart-contracts/wasm-chain-integration lint:clippy	1m 3s
smart-contracts/wasm-transform lint:clippy	53s
smart-contracts/counter lint:clippy	41s
smart-contracts/wasm-transform lint:fmt	57s
smart-contracts/context-test lint:clippy	39s
smart-contracts/wasm-chain-integration lint:fmt	1m 9s
smart-contracts/fib lint:clippy	44s
smart-contracts/wasm-transform lint:fmt	14s
escrow lint:fmt	10s
smart-contracts/wasm-chain-integration lint:fmt	10s
wasm-core-spec cargo:test	1m 8s
lockup lint:fmt	14s
Ensure consistency between wat and wasm files	47s
use-all-host-functions lint:fmt	10s
rate-limited lint:fmt	11s
counter lint:fmt	14s
context-test lint:fmt	13s
fib lint:fmt	10s
	31m 23s

Provide feedback