chore(template): add fix-cve-issues-for-release.md

Signed-off-by: Derek Su <derek.su@suse.com>

.github/ISSUE_TEMPLATE/fix-cve-issues-for-release.md

@@ -0,0 +1,23 @@
+---
+name: Fix CVE Issues for Release
+about: Security issue fix task for a release
+title: "[RELEASE] Fix CVE Issues for v<x.y.z>"
+labels: ["release/task", "area/security", "area/install-uninstall-upgrade"]
+assignees: ''
+
+---
+
+## What's the task? Please describe
+
+Identify and resolve CVE issues of Longhorn components:
+- https://github.com/longhorn/longhorn/blob/v<x.y>.x/deploy/longhorn-images.txt
+
+## Describe the sub-tasks
+
+- [ ] Identify CVE issues in Longhorn components for v<x.y.z>.
+- [ ] Resolve the identified CVE issues.
+- [ ] Perform CVE scans and possible fixes for each stage: Pre-RCs, RC1, RC2, etc.
+
+## Additional context
+
+<!--Add any other context or screenshots about the task request here.-->