ci: fix changeset workflow issues with branch handling and commit message

[jcbsfilho]

This pull request makes small but important improvements to the GitHub Actions workflows for prereleases and releases, focusing on safety and clarity.

Workflow improvements:

• In .github/workflows/prereleases.yml, the script that creates a local main branch now only force-updates the branch if main is not currently checked out, preventing potential worktree errors.
• In .github/workflows/release.yml, the changeset publish action now includes a custom commit message (chore: version packages) for versioning commits, improving commit history clarity.

[github-actions]

SCC Complexity Analysis

• Title: ci: fix changeset workflow issues with branch handling and commit message
• Author: jcbsfilho

Metric	Source Branch (ci/fix-changesets)	Target Branch (main)	Difference
Complexity	2438	2438	0
Code	49826	49823	3

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commit: 8c8b734