Bump fs-extra and @types/fs-extra in /solidity #2291

Job	Run time
check	2m 33s
clippy	3m 52s
rustfmt	6s
audit	2m 46s
integration-test-althea-payment	14m 56s
integration-test-debts	11m 50s
integration-test-eth-payments	13m 21s
integration-test-five-nodes	11m 41s
integration-test-multi-exit	12m 24s
integration-test-validate-contract	7m 7s
test	2m 35s
cross-armv7	4m 25s
cross-aarch64	4m 23s
	1h 31m 59s

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