Clean up disk between clippys in CI #2905

Job	Run time
fmt	2m 1s
sequentialise	2s
set-condition	9s
parachain-build-dev	2m 0s
parachain-build-tee-prod	3m 50s
parachain-clippy	0s
tee-build	2m 16s
parachain-unit-test	0s
parachain-runtime-test	0s
tee-clippy	0s
parachain-ts-test (litmus)	22s
parachain-ts-test (litentry)	20s
parachain-ts-test (rococo)	15s
tee-test (demo-indirect-invocation)	1m 54s
tee-test (demo-direct-call)	2m 17s
tee-test (lit-user-shielding-key)	1m 53s
tee-test (lit-resume-worker)	2m 22s
tee-test (lit-set-heartbeat-timeout)	1m 53s
tee-test (lit-ii-vc-test)	1m 52s
tee-test (lit-ii-identity-test)	1m 56s
tee-test (lit-di-substrate-identity-test)	2m 13s
tee-test (lit-di-evm-identity-test)	1m 57s
tee-test (lit-di-vc-test)	2m 3s
tee-test (lit-parentchain-nonce)	1m 50s
tee-test (lit-ii-batch-test)	1m 49s
tee-test (lit-test-stress-script)	2m 23s
push-docker	0s
	37m 37s

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