Migrate from master to main

[nollymar]

Parent Issue

No response

User Story

As a developer, I want to migrate the default branch of our GitHub repository from "master" to "main" to follow modern naming conventions and improve the inclusivity and clarity of our project.

Acceptance Criteria

• The "master" branch is renamed to "main."
• All CI/CD pipelines are updated to reference the "main" branch.
• Documentation and project references are updated to use "main."
• All team members are informed of the change.
• The repository functions correctly after the migration.

Proposed Objective

Code Maintenance

Proposed Priority

Priority 3 - Average

External Links... Slack Conversations, Support Tickets, Figma Designs, etc.

No response

Assumptions & Initiation Needs

No response

Quality Assurance Notes & Workarounds

No response

Sub-Tasks & Estimates

• [x] #29840
• [ ] #29841
• [ ] #29842

[nollymar]

Useful links: https://github.com/marketplace/actions/default-branch-migration https://www.hanselman.com/blog/easily-rename-your-git-default-branch-from-master-to-main https://www.jumpingrivers.com/blog/git-moving-master-to-main/ https://stevenmortimer.com/5-steps-to-change-github-default-branch-from-master-to-main/ https://jarv.is/notes/github-rename-master/ https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-branches-in-your-repository/renaming-a-branch