[Devsetup] Install the latest rust toolchain #69712

Job	Run time
permission-check	2s
determine-docker-build-metadata	2s
test-target-determinator	4m 12s
file_change_determinator	10s
fetch-last-released-docker-image-tag	1m 32s
rust-images-consensus-only-perf-test	0s
rust-images-failpoints	0s
rust-images-performance	0s
rust-images / rust-all	10m 30s
faucet-tests-main	1s
cli-e2e-tests	1s
forge-compat-test	1s
forge-consensus-only-perf-test	1s
forge-e2e-test	1s
forge-framework-upgrade-test	1s
node-api-compatibility-tests	1s
forge-multiregion-test	1s
	16m 36s

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