Document Slack agent target-branch support

[mintlify]

Documentation changes

Adds a note to the "Update documentation" section of the Slack agent page explaining that users can ask the agent to open a PR against, or push commits to, a branch other than the deploy branch.

Closes

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For Reviewers

When reviewing documentation PRs, please consider:

✅ Technical accuracy

• Code examples work as written
• Commands and configurations are correct
• Links resolve to the right destinations
• Prerequisites and requirements are accurate

✅ Clarity and completeness

• Instructions are clear and easy to follow
• Steps are in logical order
• Nothing important is missing
• Examples help illustrate the concepts

✅ User experience

• A new user could follow these docs successfully
• Common gotchas or edge cases are addressed
• Error messages or troubleshooting guidance is helpful

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Generated by Mintlify Agent.

Requested by: ethan@mintlify.com via Slack
Mintlify session: slack_1789150177.915939_C0BGJ8W6CUB

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Note

Low Risk
Documentation-only change with no product or security impact.

Overview
Adds guidance under Update documentation on the Slack agent page: users can name a non-default branch so the agent opens a PR against that branch or pushes commits to it when it already exists, with example prompts (staging, docs-refresh).

^{Reviewed by Cursor Bugbot for commit 3c8ba21. Bugbot is set up for automated code reviews on this repo. Configure here.}

[mintlify]

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Project	Status	Preview	Updated
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