chore(deps): update taiki-e/install-action digest to 56ab793 #297

Job	Run time
Cross checking x86_64-pc-windows-msvc	1m 42s
Cross checking x86_64-pc-windows-gnu	1m 54s
Cross checking x86_64-apple-darwin	6m 15s
Cross checking aarch64-apple-darwin	50s
Cross checking x86_64-unknown-linux-gnu	4m 5s
Cross checking x86_64-unknown-linux-musl	44s
Cross checking aarch64-unknown-linux-gnu	5m 9s
Cross checking i686-unknown-linux-gnu	4m 46s
Cross checking x86_64-unknown-netbsd	4m 51s
Cross checking armv7-unknown-linux-gnueabihf	5m 3s
Result (Cross-CI)	1s
	35m 20s

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