Bump Swatinem/rust-cache from 1 to 2 (#1376) #3744

Job	Run time
Code Style	5m 29s
Get minimum supported rust version	16s
test AutoRust	3m 4s
Services Tests (stable, false)	24m 34s
Services Tests (1.70.0, false)	29m 36s
Services Tests (nightly, true)	27m 21s
Integration Tests (stable, false)	7m 7s
Integration Tests (1.70.0, false)	10m 6s
Integration Tests (nightly, true)	7m 33s
SDK Tests (stable, false)	8m 31s
SDK Tests (1.70.0, false)	10m 1s
SDK Tests (nightly, true)	8m 11s
E2E Tests (stable, false)	55s
E2E Tests (1.70.0, false)	52s
E2E Tests (nightly, true)	1m 7s
	2h 24m 43s

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