Add template YAML frontmatter

See https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/manually-creating-a-single-issue-template-for-your-repository

Author: HuijingHei

.github/ISSUE_TEMPLATE/release-checklist.md

@@ -1,3 +1,10 @@
+---
+name: release checklist
+about: release checklist template
+title: New release for Bootupd
+labels: jira,kind/release
+---
+
 # Release process
 
 The release process follows the usual PR-and-review flow, allowing an external reviewer to have a final check before publishing.