Merge pull request #697 from sul-dlss/ReleaseTag-what-required

require ReleaseTag "what" attribute

lib/cocina/models/citation_only_access.rb

@@ -2,6 +2,7 @@
 
 module Cocina
   module Models
+    # A type of access for an object wherein users can see the metadata and a list of files, but the files will not have view or download access
     class CitationOnlyAccess < Struct
       # Access level.
       attribute :view, Types::Strict::String.enum('citation-only')

lib/cocina/models/release_tag.rb

@@ -9,7 +9,7 @@ class ReleaseTag < Struct
       attribute? :who, Types::Strict::String
       # What is being released. This item or the whole collection.
       # example: self
-      attribute? :what, Types::Strict::String.enum('self', 'collection')
+      attribute :what, Types::Strict::String.enum('self', 'collection')
       # When did this action happen
       attribute? :date, Types::Params::DateTime
       # What platform is it released to

openapi.yml

@@ -1526,6 +1526,7 @@ components:
       additionalProperties: false
       required:
         - release
+        - what
       properties:
         who:
           description: Who did this release