Remove next-major branch from workflows

[Copilot]

Closes #

The next-major branch is no longer used for collecting changes for major releases. This PR removes it from workflow triggers.

Changelog

Removed

• next-major from push.branches and merge_group.branches in .github/workflows/ci.yml
• next-major from push.branches and merge_group.branches in .github/workflows/reports.yml

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; workflow configuration only, no code changes

Testing & Reviewing

YAML syntax validated. No remaining next-major references in .github/workflows/.

Merge checklist

• Added/updated tests
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

Original prompt

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This section details on the original issue you should resolve

<issue_title>[task for 🤖] Remove next-major from workflows</issue_title>
<issue_description>We used to have a next-major branch to collect changes for the next major release. We no longer follow this approach. However there are still remnants of this left in the workflows, let's remove them.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [task for 🤖] Remove next-major from workflows #7103

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[changeset-bot]

⚠️ No Changeset found

Latest commit: a7f028b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[primer-integration]

👋 Hi from github/github-ui! Your integration PR is ready: https://github.com/github/github-ui/pull/6410

[siddharthkp]

Good work!

[Copilot]

Pull Request Overview

This PR removes the deprecated next-major branch from workflow triggers across the repository. The next-major branch was previously used to collect changes for major releases but is no longer part of the release process.

• Removed next-major from push and merge_group branch triggers in CI and reporting workflows

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/reports.yml	Removed next-major from push and merge_group branch triggers for build reports workflow
.github/workflows/ci.yml	Removed next-major from push and merge_group branch triggers for main CI workflow

[primer-integration]

🟢 ci completed with status success.