Remove reference to kubectl version --short from issue template (kube-rs#1623)

The --short flag was removed a while ago, kubectl v1.30.2 just gives an unknown flag error.

Signed-off-by: Natalie Klestrup Röijezon <[email protected]>

Author: nightkr

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -29,7 +29,7 @@ body:
       description: |
         What type of kubernetes cluster you are running aginst (k3s/eks/aks/gke/other) and what is OS in your `Dockerfile`?
       placeholder: |
-        Output of `kubectl version --short`
+        Output of `kubectl version`
         Dockerfile OS
     validations:
       required: true