fix(deps): update dependency @netlify/config to ^18.1.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/config	^18.1.1 -> ^18.1.2

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[github-actions]

📊 Benchmark results

Comparing with d074933

Package size: 221 MB

⬇️ 0.12% decrease vs. d074933

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