deps: bump undici from 6.21.0 to 7.1.0 in /packages/gateway-conformance #444

Job	Run time
js-test-and-release / check	2m 37s
js-test-and-release / test-chrome-webworker	53s
js-test-and-release / test-node (windows-latest, lts/*)	3m 38s
js-test-and-release / test-chrome	1m 1s
js-test-and-release / test-node (ubuntu-latest, lts/*)	51s
js-test-and-release / test-node (macos-latest, lts/*)	2m 40s
js-test-and-release / test-firefox	54s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	1m 27s
js-test-and-release / test-firefox-webworker	56s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 56s
js-test-and-release / test-electron-main	42s
js-test-and-release / test-electron-renderer	35s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	53s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	1m 59s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	21m 2s

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