Perfmatters 2.3.6

* Fixed an issue that was introduced in the last update that was causing certain images that had their HTML modified by another tool not to lazy load correctly.
* Translation updates.

* Added new Minimal v4 script type option in local analytics.
* Added support for ::after pseudo element when lazy loading CSS background images.
* Added support for AVIF images in a source tag to preload critical images feature.
* Added new perfmatters_preload_critical_images filter.
* Added new perfmatters_image_dimensions_exclusions filter.
* Added notice to plugin update row if there is not an active license key.
* Added async attribute to Instant Page script tag.
* Added async attribute to all relevant local analytics script tags.

* Added new perfmatters_exclude_leading_images filter.
* Fixed an issue that was affecting lazy loaded inline background images in certain formats.
* Fixed a PHP warning related to Fastclick and the built-in exclusion for WooCommerce pages.
* Updated license key field to prevent it from getting auto-filled by browser extensions.