Default branch rename

[kfcampbell]

This changes the default branch from master --> main across the repository content to match the state of the repository settings.

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Behavior

Before the change?

• Links, Actions, and references used the "master" default branch name.

After the change?

• Links, Actions, and references use the "main" default branch name

Additional info

Pull request checklist

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Added the appropriate label for the given change

Does this introduce a breaking change?

Please see our docs on breaking changes to help!

• Yes (Please add the Type: Breaking change label)
• No

If Yes, what's the impact:

• N/A

Pull request type

Please add the corresponding label for change this PR introduces:

• Bugfix: Type: Bug
• Feature/model/API additions: Type: Feature
• Updates to docs or samples: Type: Documentation
• Dependencies/code cleanup: Type: Maintenance

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[github-actions]

🎉 This PR is included in version 2.0.4 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

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