Add date for release #11

.github/ISSUE_TEMPLATE/issue_template_release.md

@@ -16,6 +16,7 @@ Describe the release in as much detail as possible.
 **Name:** Find an appropriate and memorable name for the release that will help it be remembered.
 **Git tag:** v0.1.0 "super-repo Minor Release v0.1.0"
 **Release Manager:** Choose a responsible person.
+**Date:** Arrange a convenient date
 
 ## Workflow checklist
 - I am aware of the workflow in RELEASE_PROCEDURE.md