refactor: adding the PR url to Automated PR description

[mfranzke]

Proposed changes

To further document the Automated PRs basis, we'd like to add the URL of the PR that relates to the target branch to the Automated PRs description.

Types of changes

• Bugfix (non-breaking change that fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (improvements to existing components or architectural decisions)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Further comments

🔭🐙🐈 Test this branch here: https://db-ux-design-system.github.io/core-web/review/refactor-adding-the-pr-url-to-automated-pr-description

[changeset-bot]

⚠️ No Changeset found

Latest commit: 461922d

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[github-actions]

🔭🐙🐈 Test this branch here: https://db-ux-design-system.github.io/core-web/review/refactor-adding-the-pr-url-to-automated-pr-description

[mfranzke]

final result: #5272

[Copilot]

Pull Request Overview

This PR adds the URL of the target PR to the description of automatically created PRs for better documentation and traceability. The change modifies the GitHub Action that creates automated PRs to include a reference back to the original PR that triggered the automation.

• Enhanced automated PR descriptions with target PR URL information
• Updated test snapshots to reflect a minor test data change

Reviewed Changes

Copilot reviewed 8 out of 13 changed files in this pull request and generated no comments.

File	Description
.github/actions/auto-commit/action.yml	Enhanced automated PR body to include target PR URL for better traceability
showcases/shared/button.json	Updated button example name from "Functional" to "Functional1" for testing
snapshots/button/showcase/*/should-have-same-aria-snapshot/DBButton-should-have-same-aria-snapshot.yaml	Updated accessibility snapshots to reflect the button name change across all browser variants