update default active storage processor [ci skip]
update default active storage processor [ci skip]

It is confusing for someone creating a new application to see that the
default variant_processor is mini_magick, when it will actually be vips
because new applications will load 7.0 defaults.

Co-authored-by: Jonathan Hefner <3692bfa45759a67d83aedf0045f6cb635a966abf@hefner.pro>

Edouard-chin/rails,MSP-Greg/rails,yahonda/rails,rails/rails,kddeisz/rails,kddeisz/rails,yawboakye/rails,yawboakye/rails,kmcphillips/rails,MSP-Greg/rails,Edouard-chin/rails,kmcphillips/rails,Erol/rails,Erol/rails,BlakeWilliams/rails,yahonda/rails,rails/rails,kddeisz/rails,MSP-Greg/rails,esparta/rails,yahonda/rails,esparta/rails,BlakeWilliams/rails,BlakeWilliams/rails,BlakeWilliams/rails,Edouard-chin/rails,Erol/rails,rails/rails,esparta/rails,esparta/rails,georgeclaghorn/rails,yawboakye/rails,georgeclaghorn/rails,kmcphillips/rails,yahonda/rails,yawboakye/rails,Edouard-chin/rails,georgeclaghorn/rails,Erol/rails,georgeclaghorn/rails,kmcphillips/rails,kddeisz/rails,MSP-Greg/rails,rails/rails