build(deps): bump @polkadot/keyring in /integration-tests #6428

Job	Run time
docker-build	25m 50s
sanity-tests	7s
cargo audit	33s
sanity-test-cli	34s
check	1m 6s
Clippy	4m 59s
Rustfmt	13s
unit-test-cli	45s
unit-test-creditcoin	29m 17s
build-creditcoin-node	22m 8s
build-creditcoin-transaction-producer	17s
javascript-lint / creditcoin-js	27s
javascript-typecheck / creditcoin-js	24s
javascript-lint / integration-tests	36s
javascript-typecheck / integration-tests	34s
benchmark	30m 13s
javascript-lint / scripts/js	32s
javascript-typecheck / scripts/js	35s
javascript-lint / scripts/cc-cli	38s
javascript-typecheck / scripts/cc-cli	35s
javascript-format / creditcoin-js	28s
javascript-format / integration-tests	30s
🐚 Shellcheck	7s
javascript-format / scripts/js	29s
javascript-format / scripts/cc-cli	32s
integration-test-loan-cycle	15m 46s
integration-test-cli	39m 49s
tools-creditcoin-transaction-producer	0s
	2h 58m 4s

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