Remove BC dev dependency input

[samdark]

Summary

• remove the install-development-dependencies input from the reusable BC workflow call
• run the BC workflow on PHP 8.3 so Roave's XML baseline support is available
• add Roave BC baseline ignores for dev-only Yii Debug classes and existing date/time message default changes

Related

• Remove BC dev dependency input actions#129 removes the input from the reusable workflow

Verification

• vendor/bin/roave-backward-compatibility-check passed locally with: No backwards-incompatible changes detected

[Copilot]

Pull request overview

This PR updates the repository’s backwards-compatibility (BC) checking setup to align with the upstream reusable workflow change and to prevent known, non-actionable BC-check findings from failing CI.

Changes:

• Removes the install-development-dependencies input from the reusable yiisoft/actions BC workflow call.
• Adds a Roave BC baseline config to ignore:
  • skipped reflections for dev-only yiisoft/yii-debug classes
  • known default-parameter-message changes in date/time rule handlers

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.roave-backward-compatibility-check.xml	Adds baseline ignore patterns for expected/skipped BC-check output.
.github/workflows/bc.yml	Updates the reusable workflow call by removing the deprecated input.

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