chore: use testcontext for test:node-fetch #226

Job	Run time
Lint	45s
dependency-review	10s
Fuzzing	3m 38s
Test with Node.js 20 compiled --without-intl	12m 57s
Test with Node.js 24 compiled --without-intl	12m 53s
Test with Node.js 22 compiled --without-intl	14m 9s
Test TypeScript types	43s
Test with Node.js 20 on ubuntu-latest / Test with Node.js 20 on ubuntu-latest	11m 51s
Test with Node.js 24 on windows-latest / Test with Node.js 24 on windows-latest	15m 2s
Test with Node.js 20 on macos-latest / Test with Node.js 20 on macos-latest	8m 5s
Test with Node.js 22 on ubuntu-latest / Test with Node.js 22 on ubuntu-latest	11m 16s
Test with Node.js 22 on windows-latest / Test with Node.js 22 on windows-latest	16m 4s
Test with Node.js 24 on ubuntu-latest / Test with Node.js 24 on ubuntu-latest	12m 14s
Test with Node.js 22 on macos-latest / Test with Node.js 22 on macos-latest	12m 22s
Test with Node.js 24 on macos-latest / Test with Node.js 24 on macos-latest	10m 33s
Test with Node.js 20 compiled --shared-builtin-undici/undici-path / Test with Node.js 20 compiled --shared-builtin-undici/undici-path	11m 7s
Test with Node.js 24 compiled --shared-builtin-undici/undici-path / Test with Node.js 24 compiled --shared-builtin-undici/undici-path	12m 20s
Test with Node.js 24 on ubuntu-latest with WASM SIMD disabled / Test with Node.js 24 on ubuntu-latest	10m 46s
Test with Node.js 22 compiled --shared-builtin-undici/undici-path / Test with Node.js 22 compiled --shared-builtin-undici/undici-path	12m 44s
automerge	0s
	3h 9m 39s

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