fix(deps): update dependency @netlify/build to ^28.1.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/build	^28.1.11 -> ^28.1.12

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Release Notes

netlify/build

v28.1.12

Compare Source

Bug Fixes

• set up per build step duration system logging (#​4661) (2595c1d)

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[github-actions]

📊 Benchmark results

Comparing with 702713a

Package size: 248 MB

(no change)

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• T (current commit): 248 MB