unify management of MSRV #3585

Job	Run time
Get minimum supported rust version	25s
Code Style	1m 46s
test AutoRust	4m 10s
Integration Tests (stable)	2m 38s
Integration Tests (nightly)	2m 39s
Integration Tests (1.65.0)	2m 20s
SDK Tests (stable)	2m 42s
SDK Tests (nightly)	2m 43s
SDK Tests (1.65.0)	2m 26s
Services Tests (stable)	2m 34s
Services Tests (nightly)	2m 37s
Services Tests (1.65.0)	2m 18s
E2E Tests (stable)	55s
E2E Tests (nightly)	58s
E2E Tests (1.65.0)	1m 10s
	32m 21s

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