Update tendermint-rs to v0.38 #622

Job	Run time
changelog	19s
check-packages	5m 21s
build-binaries	9m 4s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 48s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 6s
lints	5m 42s
rust-docs	5m 54s
check-benchmarks	10m 39s
test-integration	14m 52s
test-unit	9m 46s
test-wasm	4m 49s
test-e2e (0)	22m 10s
test-e2e (1)	17m 44s
test-e2e (2)	23m 28s
test-e2e (3)	18m 2s
test-e2e (4)	17m 38s
upload-coverage	13s
	2h 52m 35s

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