fix: ttl and caching for ipns urls #99

Job	Run time
js-test-and-release / check	1m 53s
js-test-and-release / test-chrome	44s
js-test-and-release / test-chrome-webworker	40s
js-test-and-release / test-firefox	46s
js-test-and-release / test-node (windows-latest, lts/*)	3m 49s
js-test-and-release / test-node (ubuntu-latest, lts/*)	33s
js-test-and-release / test-node (macos-latest, lts/*)	2m 44s
js-test-and-release / test-electron-renderer	23s
js-test-and-release / test-electron-main	49s
js-test-and-release / test-firefox-webworker	44s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	1m 4s
js-test-and-release / test-webkit (macos-latest, lts/*)	2m 42s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	1m 6s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	2m 36s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	20m 33s

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