Bump fs-extra and @types/fs-extra in /solidity #1652

Job	Run time
check	3m 18s
rustfmt	25s
clippy	4m 23s
audit	15s
test	10m 14s
integration-test-five-nodes	13m 25s
cross-armv7	1m 42s
cross-aarch64	1m 29s
integration-test-althea-payment	16m 10s
integration-test-debts	21m 39s
integration-test-multi-exit	13m 45s
integration-test-db-migration	12m 45s
integration-test-eth-payments	13m 41s
integration-test-validate-contract	12m 27s
	2h 5m 38s

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