fix!: identity hash is Hasher<"identity", 0> #229

Job	Run time
js-test-and-release / check	1m 14s
js-test-and-release / test-electron-renderer	18s
js-test-and-release / test-chrome-webworker	33s
js-test-and-release / test-chrome	33s
js-test-and-release / test-electron-main	33s
js-test-and-release / test-firefox-webworker	24s
js-test-and-release / test-node (windows-latest, lts/*)	2m 10s
js-test-and-release / test-firefox	25s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	55s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 35s
js-test-and-release / test-node (ubuntu-latest, lts/*)	22s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	48s
js-test-and-release / test-node (macos-latest, lts/*)	1m 37s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	1m 36s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	13m 3s

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