Bump ImageMagick 6.9 to 7.0.25 to allow AVIF and WEBP convert | Feature Requests

Bump ImageMagick 6.9 to 7.0.25 to allow AVIF and WEBP convert

thomas

ImageMagick added AVIF image support since version 7.0.25.

Native env has 6.9 installed. Having v7 would let us convert images to modern standards avif and webp.