Merge pull request kubernetes#64756 from ghuntley/patch-1

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

housekeeping: improved language used in ISSUE_TEMPLATE.md

**What this PR does / why we need it**:

Improves language seen/experienced by developers that raise issues on GitHub.

**Special notes for your reviewer**:

If you have better ideas - edit my PR and 🚢 

**Release note**:
```release-note
NONE
```

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,7 @@
 
 If you're looking for help check [Stack Overflow](https://stackoverflow.com/questions/tagged/kubernetes) and the [troubleshooting guide](https://kubernetes.io/docs/tasks/debug-application-cluster/troubleshooting/).
 
-If this may be security issue, please disclose it privately via https://kubernetes.io/security/.
+If the matter is security related, please disclose it privately via https://kubernetes.io/security/.
 -->
 
 **Is this a BUG REPORT or FEATURE REQUEST?**: