ImageSizeKit checker workflows v1.0.8

Aligns the public ImageSizeKit P0 indexing queue with the latest Search Console URL Inspection states from the 2026-07-24 to 2026-07-30 observation window.\n\nChanges:\n- Moves Image Size Checker, Social Media Image Sizes, Social Media Image Checker, Instagram Reel Cover Size, YouTube image hub, file-size, templates, LinkedIn, Banner Checker, and Whatnot into the current unknown queue.\n- Keeps YouTube thumbnail export settings, JPG vs PNG, thumbnail converter, YouTube banner template, Open Graph Preview Checker, and Open Graph Image Size in discovered-not-indexed.\n- Updates release references to v1.0.8.\n- Updates the recommended sequence after the latest live sitemap, GSC sitemap, and IndexNow submissions.