deps: bump multiformats from 12.1.3 to 13.0.0 #319

Job	Run time
check	1m 17s
test-firefox	24s
test-node (windows-latest, lts/*)	33s
test-chrome-webworker	30s
test-chrome	30s
test-node (ubuntu-latest, lts/*)	25s
test-firefox-webworker	24s
test-node (macos-latest, lts/*)	13s
test-electron-main	33s
test-electron-renderer	11s
test-webkit (ubuntu-latest, lts/*)	12s
test-webkit-webworker (ubuntu-latest, lts/*)	11s
test-webkit (macos-latest, lts/*)	1m 39s
test-webkit-webworker (macos-latest, lts/*)	1m 19s
release	0s
	8m 21s

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