feat(lockfile-lint-api): replace yarnpkg/lockfile with yarnpkg/parser…

[naugtur]

…s for better yarn3 and fearless cooperation support

Description

fix #122 progress on #123

To reduce reliance on fs I'm extending the API to allow passing the source text of the lockfile instead of a path. Caller of parseSync no longer needs to trust the package with file system access powers.

Remaining todos to make this PR ready to merge:

• [ ] document lockfileText
• [ ] test lockfileText

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

How Has This Been Tested?

Tests still pass. The only change in tests is a message that's not saying "path" directly in case lockfile text was passed.

Checklist:

• [ ] I have updated the documentation (if required).
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.
• [ ] I added a picture of a cute animal cause it's fun

[codecov-commenter]

Codecov Report

Merging #126 (e8cf91d) into master (5ce8330) will increase coverage by 0.16%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #126      +/-   ##
==========================================
+ Coverage   97.62%   97.79%   +0.16%     
==========================================
  Files          12       12              
  Lines         295      317      +22     
  Branches       58       67       +9     
==========================================
+ Hits          288      310      +22     
  Misses          7        7              

Impacted Files	Coverage Δ
packages/lockfile-lint-api/src/ParseLockfile.js	100.00% <100.00%> (ø)
...kages/lockfile-lint-api/src/common/ParsingError.js	100.00% <100.00%> (ø)

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