build(deps): bump undici from 6.19.8 to 6.21.1 #333

Job	Run time
Node Latest with browserstack (22)	9s
Node 18 (ubuntu-latest)	1m 26s
Node Latest (22)	9s
Node 20 (ubuntu-latest)	1m 23s
Node 22 (ubuntu-latest)	1m 24s
Node 18 (windows-latest)	1m 45s
Node 20 (windows-latest)	1m 44s
Node 22 (windows-latest)	1m 43s
Node 18 (macos-latest)	1m 44s
Node 20 (macos-latest)	1m 56s
Node 22 (macos-latest)	2m 1s
	15m 24s

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