fix(copy-filter): add package manager lockfiles to default ignore

[emab]

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• The changes are appropriately documented (if applicable).
• The changes have sufficient test coverage (if applicable).
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Summarize your changes:

Added package-lock.json and yarn.lock to the default ignored file regex.

[welcome]

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[codecov]

Codecov Report

Merging #1182 into master will increase coverage by 0.14%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #1182      +/-   ##
===========================================
+ Coverage   99.85%   100.00%   +0.14%     
===========================================
  Files          14        14              
  Lines         698       698              
===========================================
+ Hits          697       698       +1     
+ Misses          1         0       -1     

Impacted Files	Coverage Δ
src/copy-filter.js	100.00% <ø> (+2.04%)	⬆️

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[malept]

Thanks for working on this PR! This approach generally works, but I have some suggestions that will make it more robust that I'd like to get in before we merge this (mainly regarding the test that was added).

[emab]

Sorry about the force push - I pushed a commit from the wrong git account.

[malept]

Looks good!

[welcome]

Thanks for your contribution! 🎉