fix: customise CHANGELOG

[gemmadanks]

What changes did you make (give an overview)?

• Changed visibility of CHANGELOG sections (show: docs, ci, build, deps, test, refactor)
• Changed dependabot PR prefix from chore(uv) to deps(uv)
• Added more options to PR template checklist

Prerequisites checklist

Please check each of the following before merging:

• This pull request is ready to merge (leave unchecked to indicate a WIP)
• I will squash my commits and, where needed, edit the commit messages to make them more informative and follow the conventional commits format
• I have updated relevant documentation
• I have linked to relevant issues
• I have created an ADR (Architectural Decision Record) for architecturally significant changes

What is the purpose of this pull request?

Check all that apply:

• Documentation update
• Refactor
• Improved test coverage
• Bug fix
• Changes to an existing feature
• New feature
• Other, please explain:

[Copilot]

Pull Request Overview

This PR customizes the CHANGELOG generation and PR template to improve visibility and organization of project changes. The changes standardize how different types of contributions are categorized and displayed in the release notes.

Key changes:

• Made documentation, CI, build, and test sections visible in CHANGELOG
• Updated Dependabot commit prefix from chore(uv) to deps(uv) for consistency
• Enhanced PR template with additional checklist options for dependencies and CI changes

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
release-please-config.json	Modified CHANGELOG section visibility to show docs, ci, build, and test changes
.github/pull_request_template.md	Added new checklist items for dependency changes and improved CI, clarified test coverage option
.github/dependabot.yml	Changed commit message prefix to align with conventional commit types

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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