docs: fix broken links in undici webpage (#3807) #15266

Job	Run time
dependency-review	0s
Lint	43s
Fuzzing	3m 46s
Test TypeScript types	38s
Test with Node.js 20 compiled --without-intl	4m 41s
Test with Node.js 22 compiled --without-intl	5m 12s
Test with Node.js 23 compiled --without-intl	2m 33s
test (18, macos-latest) / Test with Node.js 18 on macos-latest	4m 9s
test (18, ubuntu-latest) / Test with Node.js 18 on ubuntu-latest	1m 15s
test (18, windows-latest) / Test with Node.js 18 on windows-latest	5m 57s
test (20, macos-latest) / Test with Node.js 20 on macos-latest	4m 1s
test (20, ubuntu-latest) / Test with Node.js 20 on ubuntu-latest	3m 33s
test (20, windows-latest) / Test with Node.js 20 on windows-latest	5m 15s
test (21, macos-latest) / Test with Node.js 21 on macos-latest	3m 38s
test (21, ubuntu-latest) / Test with Node.js 21 on ubuntu-latest	3m 21s
test (22, macos-latest) / Test with Node.js 22 on macos-latest	3m 5s
test (21, windows-latest) / Test with Node.js 21 on windows-latest	4m 46s
test (22, ubuntu-latest) / Test with Node.js 22 on ubuntu-latest	4m 6s
test (22, windows-latest) / Test with Node.js 22 on windows-latest	4m 32s
test (23, macos-latest) / Test with Node.js 23 on macos-latest	3m 6s
test (23, ubuntu-latest) / Test with Node.js 23 on ubuntu-latest	3m 23s
test (23, windows-latest) / Test with Node.js 23 on windows-latest	4m 39s
automerge	0s
	1h 16m 19s

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