Update dependency np to v6.3.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
np	devDependencies	minor	6.2.5 -> 6.3.1

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Release Notes

sindresorhus/np

v6.3.1

Compare Source

• Fix a regression from 6.3.0 (#​552) 59edfe6

v6.3.0

Compare Source

• Fix specifying a custom version via UI (#​546) 6b68244
• Respect preId in .npmrc for release tags (#​547) aebd8ab

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[coveralls]

Coverage remained the same at 97.297% when pulling 6548f0c on renovate/np-6.x into 762c969 on master.

[codecov-commenter]

Codecov Report

Merging #47 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #47   +/-   ##
=======================================
  Coverage   97.29%   97.29%           
=======================================
  Files          11       11           
  Lines          37       37           
=======================================
  Hits           36       36           
  Misses          1        1           

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