Migrate to Alpine, use Alpine's ImageMagick packages, add ImageMagick security policy, update Ruby version and a few gems

hyrax/app/indexers/complex_field/subject_indexer.rb

@@ -71,7 +71,7 @@ module ComplexField
     def self.subject_search_fields
       # solr fields that will be used for a search
       fields = []
-      fields << Solrizer.solr_name('complex_subject_identifier', :symbol)
+      fields << Solrizer.solr_name('complex_subject_id', :symbol)
       fields << Solrizer.solr_name('complex_subject_species', :stored_searchable)
       fields << Solrizer.solr_name('complex_subject_type', :stored_searchable)
       fields << Solrizer.solr_name('complex_subject_sex', :stored_searchable)