DEVEX: Add release‑drafter workflow for automated changelogs

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Description
Releases are manually compiled; we lack a consistent changelog.

Goal
Automate generation of a draft changelog for each PR merge.

Tasks

1. Add .github/release-drafter.yml configuring categories (Features, Bug Fixes, Docs, etc.).
2. Create a GitHub Action (release-drafter.yml) that runs on push to main and updates the draft release.
3. Add a Release label to PRs to categorize them.
4. Ensure the draft release appears in the repository’s Releases page.

Acceptance Criteria

• After merging a PR, the draft release is updated with a formatted changelog.
• Maintainers can publish the release with a single click.

Dependencies
Depends on: None
Blocks: None

[DaddyMord]

@DaddyMord has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi there, I carefully reviewed the issue details and I’m confident I can deliver a clean and efficient solution.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @DaddyMord to this issue.

[Otaiki1]

@Otaiki1 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Allow me work on this . PR in less than 24 hours

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Otaiki1 to this issue.

[drips-wave]

Congratulations, @Otaiki1! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @Otaiki1: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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