fix(deps): update netlify build packages

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/build	^17.7.1 -> ^17.8.0
@netlify/config	^14.2.0 -> ^14.3.0

---

Release Notes

netlify/build

v17.8.0

Features

• improve config simplification (#​3384) (b9f7d7a)

17.7.1 (2021-08-03)

Bug Fixes

• deps: update dependency @​netlify/plugins-list to ^3.2.0 (#​3381) (b02dc7f)

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this PR, check this box.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[github-actions]

📊 Benchmark results

Comparing with 9b016f0

Package size: 331 MB

⬇️ 0.00% decrease vs. 9b016f0

^  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB  331 MB 
│   ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐    ┌──┐  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
│   |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |  |    |▒▒|  
└───┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴────┴──┴──>
    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 (9b016f0): 331 MB
• T-29 (68d5db4): 331 MB
• T-28 (744b3c4): 331 MB
• T-27 (1eac824): 331 MB
• T-26 (42accd1): 331 MB
• T-25 (021bbfa): 331 MB
• T-24 (e6f20f9): 331 MB
• T-23 (e9d6c1c): 331 MB
• T-22 (0dfda96): 331 MB
• T-21 (5b6113a): 331 MB
• T-20 (975e5f5): 331 MB
• T-19 (38c5a9f): 331 MB
• T-18 (7dd82a3): 331 MB
• T-17 (7a51c7c): 331 MB
• T-16 (9ce8ad5): 331 MB
• T-15 (0dc4402): 331 MB
• T-14 (38c635f): 331 MB
• T-13 (5def860): 331 MB
• T-12 (69429f8): 331 MB
• T-11 (246d144): 331 MB
• T-10 (df2d2ed): 331 MB
• T-9 (0be16a3): 331 MB
• T-8 (7af83ea): 331 MB
• T-7 (574c0c6): 331 MB
• T-6 (292b365): 331 MB
• T-5 (6016757): 331 MB
• T-4 (d350389): 331 MB
• T-3 (53dc385): 331 MB
• T-2 (0ddd243): 331 MB
• T-1 (67c98a2): 331 MB
• T (current commit): 331 MB