deps: bump kubo from 0.27.0 to 0.28.0 #205

Job	Run time
js-test-and-release / check	2m 13s
js-test-and-release / test-chrome-webworker	42s
js-test-and-release / test-firefox-webworker	41s
js-test-and-release / test-chrome	42s
js-test-and-release / test-firefox	52s
js-test-and-release / test-node (windows-latest, lts/*)	5m 1s
js-test-and-release / test-node (ubuntu-latest, lts/*)	38s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	1m 6s
js-test-and-release / test-electron-main	41s
js-test-and-release / test-node (macos-latest, lts/*)	3m 36s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	1m 2s
js-test-and-release / test-webkit (macos-latest, lts/*)	3m 16s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	2m 23s
js-test-and-release / test-electron-renderer	39s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	23m 32s

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