Update cosmiconfig to version 7

[pravi]

Summary

Update cosmiconfig dependency to 7.0

Proposed changes

This PR brings the following changes:

Update a dependency to latest upstream version

Related issue

#572

Dependencies added/removed (if applicable)

• Update: cosmiconfig;

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Testing

• [ ] I have added or updated tests that prove my fix is effective or that my feature works (if applicable)
  • [ ] Unit test
  • [ ] Snapshot test
  • [ ] Manual test
  • [ ] Another test...

How to test

Describe the tests that you ran to verify your changes:

1. Run...
2. Open...
3. Check if...

Test configuration

• Node.js version (if applicable):
• NPM version (if applicable):

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Checklist

• [ ] I have added corresponding labels to this PR (like bug, enhancement...);
• [ ] My commits follow the Conventional Commits 1.0 Guidelines;
• [ ] My code follows the style guidelines of this project;
• [ ] I have performed a self-review of my own code;
• [ ] I have mapped technical debts found on my changes;
• [ ] I have made changes to the documentation (if applicable);
• [ ] My changes generate no new warnings or errors;