fix(deps): update netlify build packages

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/build	^15.1.0 -> ^15.2.0
@netlify/config	^12.0.1 -> ^12.1.0

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Release Notes

netlify/build

v15.2.0

Features

• persist configuration changes to netlify.toml (#​3224) (f924661)

Bug Fixes

• deps: update dependency @​netlify/plugins-list to ^2.19.0 (#​3227) (571bcb4)

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Configuration

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---

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[github-actions]

📊 Benchmark results

Comparing with e1a091f

Package size: 329 MB

⬆️ 0.00% increase vs. e1a091f

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• T (current commit): 329 MB