v1.2.4

• Refactor Cover block rendering logic to ensure proper handling of featured images. Introduce new functions for attachment ID normalization and retrieval, enhancing compatibility and performance. Update the render callback to support additional attributes and context from block instances.
• Update README and PHP files to include weArchiveFeaturedAttachmentId in render_block_context, enhancing support for caption overlays in the Cover block.
• Update linting process to include line ending checks and add corresponding GitHub Actions step for validation.