[#10951] Create a cron job to warn user with a old brouillon

app/views/dossier_mailer/notify_old_brouillon_soon_deleted.html.haml

@@ -0,0 +1,9 @@
+- content_for(:title, "#{@subject}")
+
+%p= t(:hello, scope: [:views, :shared, :greetings])
+
+%p= t('.body', dossier_id: @dossier.id, libelle_demarche: @dossier.procedure.libelle)
+
+%p= link_to t('.access_dossier'), dossier_url(@dossier), target: '_blank'
+
+= render partial: "layouts/mailers/signature"