fix(migration): ignore strong migration for small nb of procedure

db/migrate/20221006074425_add_tags_to_procedures.rb

@@ -1,7 +1,10 @@
 class AddTagsToProcedures < ActiveRecord::Migration[6.1]
   disable_ddl_transaction!
   def change
+    # we have a small number of procedure so it must go smoothly
+    safety_assured do
       add_column :procedures, :tags, :text, array: true, default: []
       add_index :procedures, :tags, using: 'gin', algorithm: :concurrently
     end
   end
+end