deps: switch to released sparse-merkle-tree fork #1851

Job	Run time
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 55s
rust-docs	6m 57s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 30s
build-binaries	10m 3s
check-packages	8m 10s
lints	6m 43s
changelog	0s
test-ledger-app	7m 9s
test-integration	20m 49s
test-unit	12m 25s
test-wasm	10m 45s
check-benchmarks	0s
test-e2e-with-device-automation	0s
test-e2e	0s
upload-coverage	9s
	1h 30m 35s

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