fix: do not allow modifying tuples #319

Job	Run time
js-test-and-release / check	1m 19s
js-test-and-release / test-node (windows-latest, lts/*)	3m 27s
js-test-and-release / test-chrome	40s
js-test-and-release / test-node (ubuntu-latest, lts/*)	21s
js-test-and-release / test-firefox	35s
js-test-and-release / test-chrome-webworker	33s
js-test-and-release / test-node (macos-latest, lts/*)	1m 47s
js-test-and-release / test-electron-main	38s
js-test-and-release / test-firefox-webworker	33s
js-test-and-release / test-electron-renderer	27s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	1m 1s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 30s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	43s
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
	15m 10s

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