chore: Version 5.0.6

CHANGELOG.md

@@ -1,20 +1,23 @@
 # ImageOptimize Changelog
 
 ## 5.0.6 - UNRELEASED
-## Changed
+### Added
+* Added the `.placeholder('none')` parameter to allow specifying that no placeholder background image CSS should be used for lazy loaded images (useful for transparent PNGs) ([#410](https://github.com/nystudio107/craft-imageoptimize/issues/410))
+
+### Changed
 * Update buildchain to Vite 6 & Tailwind CSS 4
 
 ## 5.0.5 - 2025.02.06
-## Fixed
+### Fixed
 * Reverted `srcset` width filtering ([#416](https://github.com/nystudio107/craft-imageoptimize/pull/416)) to address ([#418](https://github.com/nystudio107/craft-imageoptimize/issues/418))
 
 ## 5.0.4 - 2025.01.13
-## Fixed
+### Fixed
 * Don't try to apply filters to assets that are seemingly corrupt, and have a `0` width or `0` height ([#383](https://github.com/nystudio107/craft-imageoptimize/issues/383))
 * Fixed `srcset` width filtering ([#416](https://github.com/nystudio107/craft-imageoptimize/pull/416))
 
 ## 5.0.3 - 2024.10.21
-## Changed
+### Changed
 * Allow for empty `alt` tags for screen readers as per WCAG ([411](https://github.com/nystudio107/craft-imageoptimize/issues/411))
 
 ### Fixed