fix(deps): update dependency gh-pages to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gh-pages	4.0.0 -> 6.0.0

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Release Notes

tschaub/gh-pages (gh-pages)

v6.0.0

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This release drops support for Node 14. Otherwise, there are no special upgrade considerations.

• #​507 - Dependency updates and drop Node 14 (@​tschaub)
• #​495 - Bump sinon from 15.0.3 to 15.2.0 (@​tschaub)
• #​500 - Bump semver from 6.3.0 to 6.3.1 (@​tschaub)
• #​506 - Bump eslint from 8.38.0 to 8.46.0 (@​tschaub)
• #​505 - Bump word-wrap from 1.2.3 to 1.2.5 (@​tschaub)
• #​504 - Add error message when --dist is not specified. (@​domsleee)
• #​473 - Bump fs-extra from 8.1.0 to 11.1.1 (@​tschaub)
• #​477 - Bump eslint from 8.32.0 to 8.38.0 (@​tschaub)
• #​474 - Bump sinon from 15.0.1 to 15.0.3 (@​tschaub)
• #​440 - Update readme.md (@​harveer07)

v5.0.0

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Potentially breaking change: the publish method now always returns a promise. Previously, it did not return a promise in some error cases. This should not impact most users.

Updates to the development dependencies required a minimum Node version of 14 for the tests. The library should still work on Node 12, but tests are no longer run in CI for version 12. A future major version of the library may drop support for version 12 altogether.

• #​438 - Remove quotation marks (@​Vicropht)
• #​459 - Bump async from 2.6.4 to 3.2.4 (@​tschaub)
• #​454 - Bump email-addresses from 3.0.1 to 5.0.0 (@​tschaub)
• #​455 - Bump actions/setup-node from 1 to 3 (@​tschaub)
• #​453 - Bump actions/checkout from 2 to 3 (@​tschaub)
• #​445 - Update README to clarify project site configuration requirements with tools like CRA, webpack, Vite, etc. (@​Nezteb)
• #​452 - Assorted updates (@​tschaub)

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