Update GitHub Action

[jhaaaa]

Recreating @neekolas's PR with his original commit only: 5f2309c

Closing his original PR, which @jhaaaa corrupted: #680

[changeset-bot]

⚠️ No Changeset found

Latest commit: f693d9c

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[macroscopeapp]

Update GitHub Action workflows to use custom release token and add customizable PR creation in documentation workflow

• Changes the GitHub token in release.yml from secrets.GITHUB_TOKEN to secrets.RELEASE_GH_TOKEN
• Modifies update-docs.yml to support custom PR titles and descriptions through claude_pr_title.txt and claude_pr_body.txt files, adds branch cleanup logic to prevent conflicts, and removes automatic labeling from created PRs

📍Where to Start

Start with the token change in release.yml and then review the PR creation logic modifications in update-docs.yml.

Changes since #699 opened

• Added whitespace formatting between conditional blocks in GitHub workflow [f693d9c]

---

Macroscope summarized f693d9c.

[macroscopeapp]

Issue on line in .github/workflows/update-docs.yml:221:

The default pull request body is redefined immediately after its initial assignment, causing the first set of content to be discarded and leading to the loss of custom default text.
This happens because there are two consecutive PR_BODY= assignments in the else block, so the second one overwrites the first.
Consider removing the duplicate PR_BODY= assignment so that the PR body includes all intended content without being overwritten.

-           PR_BODY="## 🤖 Automated React Native SDK Documentation Update

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