updating README of client-api #6442

Job	Run time
fmt	1m 9s
sequentialise	1s
set-condition	11s
parachain-clippy	0s
tee-build	2m 30s
bitacross-clippy	0s
parachain-build-dev	51s
tee-clippy	0s
parachain-runtime-test	0s
parachain-unit-test	0s
parachain-ts-test (litmus)	15s
parachain-ts-test (litentry)	21s
parachain-ts-test (rococo)	19s
tee-multi-worker-test (lit-di-bitcoin-identity-multiworker-test)	59s
tee-single-worker-test (lit-di-substrate-identity-test)	1m 6s
tee-multi-worker-test (lit-di-evm-identity-multiworker-test)	59s
tee-single-worker-test (lit-di-evm-identity-test)	1m 0s
tee-multi-worker-test (lit-di-solana-identity-multiworker-test)	1m 0s
tee-single-worker-test (lit-di-bitcoin-identity-test)	59s
tee-multi-worker-test (lit-di-substrate-identity-multiworker-test)	1m 0s
tee-single-worker-test (lit-di-solana-identity-test)	58s
tee-multi-worker-test (lit-di-vc-multiworker-test)	57s
tee-single-worker-test (lit-di-vc-test)	58s
tee-multi-worker-test (lit-dr-vc-multiworker-test)	57s
tee-single-worker-test (lit-dr-vc-test)	57s
tee-multi-worker-test (lit-resume-worker)	59s
tee-single-worker-test (lit-parentchain-nonce)	59s
tee-multi-worker-test (lit-scheduled-enclave-multiworker-test)	1m 13s
tee-single-worker-test (lit-test-failed-parentchain-extrinsic)	1m 1s
tee-single-worker-test (lit-scheduled-enclave-test)	1m 15s
tee-single-worker-test (lit-twitter-identity-test)	58s
tee-single-worker-test (lit-discord-identity-test)	1m 1s
push-docker	0s
	24m 53s

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