Update dependency execa to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
execa	7.2.0 -> 8.0.1

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Release Notes

sindresorhus/execa (execa)

v8.0.1

Compare Source

Fixes

• Fix and document support for the {encoding: 'buffer'} option. It is the same as {encoding: null}, but preferred over it. (#​572)

v8.0.0

Compare Source

Breaking

• Require Node.js 16.17.0 and later (#​569)

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[codecov]

Codecov Report

Merging #61 (ada33c1) into main (2b4286d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #61   +/-   ##
=======================================
  Coverage   87.50%   87.50%           
=======================================
  Files           4        4           
  Lines         128      128           
  Branches       27       27           
=======================================
  Hits          112      112           
  Misses          9        9           
  Partials        7        7           

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