refactor(netlify): migrate tests to typescript

[ocavue]

Part of #16241

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[ematipico]

Can't we use the SpyLogger from test-utils in core, and then use forkIntegrationLogger?

[ocavue]

No directly. We need to tweak the code from SpyLogger to make it works.

astro/packages/astro/test/units/cli/utils.ts

Lines 210 to 213 in 0f24c22

	options: AstroLogOptions = {
	destination: { write: () => true },
	level: 'silent',
	};

I can do some refactor about the logger used in tests after I migrate all js files to ts.

[ematipico]

It's fine. I will handle it. I am working on the astro logger, and there are some refactors ahead.