fix(deps): update dependency @netlify/build to ^15.11.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/build	^15.11.3 -> ^15.11.4

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Release Notes

netlify/build

v15.11.4

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Configuration

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[github-actions]

📊 Benchmark results

Comparing with d7ddc00

Package size: 331 MB

⬆️ 0.51% increase vs. d7ddc00

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└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    T-12    T-11    T-10    T-9     T-8     T-7     T-6     T-5     T-4     T-3     T-2     T-1      T    

Legend

• T-30 (d7ddc00): 330 MB
• T-29 (e46f907): 330 MB
• T-28 (b97a6d3): 330 MB
• T-27 (b95cd14): 330 MB
• T-26 (99f239f): 330 MB
• T-25 (055fdbb): 330 MB
• T-24 (857c61b): 330 MB
• T-23 (d34460b): 330 MB
• T-22 (1c38b9c): 330 MB
• T-21 (8b3a584): 330 MB
• T-20 (992461d): 330 MB
• T-19 (728826e): 330 MB
• T-18 (321e2b2): 330 MB
• T-17 (e459351): 330 MB
• T-16 (320d42f): 330 MB
• T-15 (b7f84e4): 330 MB
• T-14 (20a9de9): 330 MB
• T-13 (315d616): 330 MB
• T-12 (aa6c8fb): 330 MB
• T-11 (9ef19aa): 330 MB
• T-10 (75299ba): 330 MB
• T-9 (32c6086): 330 MB
• T-8 (ced0c93): 330 MB
• T-7 (7ccf859): 330 MB
• T-6 (278557a): 330 MB
• T-5 (db8c431): 330 MB
• T-4 (a53b36f): 330 MB
• T-3 (08d87ff): 329 MB
• T-2 (0767251): 329 MB
• T-1 (307e128): 330 MB
• T (current commit): 331 MB

[eduardoboucas]

I'll handle this tomorrow alongside #2938.