Merge ElementsProject/rust-elements#247: Automated daily update to ru… #593

Job	Run time
Prepare	5s
Test - stable toolchain	3m 19s
Check WASM	26s
Docs - stable toolchain (recent)	37s
Test - MSRV	10m 34s
Test - nightly toolchain	2m 44s
Lint - nightly toolchain (recent)	40s
Docs - nightly toolchain (recent)	42s
	19m 7s

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