fix(deps): update dependency @netlify/config to ^15.1.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@netlify/config	^15.0.5 -> ^15.1.0

---

Release Notes

netlify/build

v15.1.0

Features

• remove headers/redirects duplicate filtering (#​3439) (ebc88c1)

15.0.5 (2021-08-12)

Bug Fixes

• deps: update dependency netlify-headers-parser to ^1.1.1 (#​3441) (04cee44)

15.0.4 (2021-08-12)

Bug Fixes

• deps: update dependency netlify-headers-parser to ^1.1.0 (#​3435) (26b4e4e)
• deps: update dependency netlify-redirect-parser to v9 (#​3436) (7efd2dc)

15.0.3 (2021-08-12)

Bug Fixes

• fix how redirects/headers check for duplicates (#​3424) (c44f35c)

15.0.2 (2021-08-11)

Bug Fixes

• bump netlify-headers-parser (77177fc)

15.0.1 (2021-08-11)

Bug Fixes

• error handling of headers and redirects (#​3422) (add5417)

---

Configuration

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

🚦 Automerge: Enabled.

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

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• 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 4e558b5

Package size: 331 MB

(no change)

^  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 (4e558b5): 331 MB
• T-29 (d1846e6): 331 MB
• T-28 (fd4dc8a): 331 MB
• T-27 (4504dad): 331 MB
• T-26 (861f00e): 331 MB
• T-25 (4117e1b): 331 MB
• T-24 (bc21842): 331 MB
• T-23 (805f66d): 331 MB
• T-22 (526ac01): 331 MB
• T-21 (7195ad9): 331 MB
• T-20 (0d491b6): 331 MB
• T-19 (81009bc): 331 MB
• T-18 (8ef7a33): 331 MB
• T-17 (5adf7cc): 331 MB
• T-16 (d5b0175): 331 MB
• T-15 (e8e7c55): 331 MB
• T-14 (98168d1): 331 MB
• T-13 (0dfcd51): 331 MB
• T-12 (86bcad1): 331 MB
• T-11 (b6aa9c7): 331 MB
• T-10 (e36d2cb): 331 MB
• T-9 (9f7a5aa): 331 MB
• T-8 (b2839a1): 331 MB
• T-7 (373f6c5): 331 MB
• T-6 (af0e1bc): 331 MB
• T-5 (0b2bbfc): 331 MB
• T-4 (b53a516): 331 MB
• T-3 (07fa2f0): 331 MB
• T-2 (2e2ef35): 331 MB
• T-1 (a740bcb): 331 MB
• T (current commit): 331 MB