feat: pass index to callback functions #175

Job	Run time
js-test-and-release / check	3m 14s
js-test-and-release / test-electron-main	31s
js-test-and-release / test-chrome-webworker	1m 29s
js-test-and-release / test-electron-renderer	22s
js-test-and-release / test-chrome	1m 45s
js-test-and-release / test-firefox-webworker	1m 59s
js-test-and-release / test-firefox	2m 0s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	59s
js-test-and-release / test-node (windows-latest, lts/*)	4m 40s
js-test-and-release / test-webkit (macos-latest, lts/*)	2m 22s
js-test-and-release / test-node (ubuntu-latest, lts/*)	1m 11s
js-test-and-release / test-node (macos-latest, lts/*)	3m 55s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	41s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	2m 1s
js-test-and-release / release-check	1s
js-test-and-release / release	1s
	27m 11s

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