chore(deps): update dependency undici to v7 #3806

Job	Run time
Test for Svelte v4 on Node.js: 18 OS: ubuntu-latest	49s
Test for Svelte v4 on Node.js: 22 OS: ubuntu-latest	45s
Test for Svelte v3 (ubuntu-latest, 18)	49s
update-resources	40s
Test for Svelte v4 on Node.js: 20 OS: ubuntu-latest	45s
build	1m 15s
Test for ESLint 8 on Node.js: latest OS: ubuntu-latest	1m 26s
Test for ESLint 8 on Node.js: 18.x OS: ubuntu-latest	2m 30s
Test for ESLint 8 on Node.js: 20.x OS: ubuntu-latest	2m 30s
Test for ESLint 9 on Node.js: 18.x OS: ubuntu-latest	25s
Test for ESLint 9 on Node.js: 20.x OS: ubuntu-latest	1s
Test for ESLint 9 on Node.js: latest OS: ubuntu-latest	1m 22s
Test for ESLint 9 on Node.js: 22.x OS: ubuntu-latest	2m 30s
lint	3m 34s
Test for ESLint 8 on Node.js: 22.x OS: ubuntu-latest	1s
	19m 22s

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