update Rust to 1.81 stable and 2024-09-08 nightly #883

Job	Run time
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	4m 12s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 19s
changelog	17s
check-packages	6m 46s
build-binaries	9m 57s
lints	2m 14s
rust-docs	6m 22s
test-unit	2m 25s
test-wasm	6m 44s
test-integration	2m 27s
check-benchmarks	2m 21s
upload-coverage	0s
test-e2e-with-device-automation	1m 53s
test-e2e (0)	26m 9s
test-e2e (1)	21m 5s
test-e2e (2)	27m 23s
test-e2e (3)	21m 52s
test-e2e (4)	21m 46s
	2h 47m 12s

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