Update --bug-report.yaml

.github/ISSUE_TEMPLATE/--bug-report.yaml

@@ -56,6 +56,18 @@ body:
         - Deploy Preview
   validations:
     required: true
+- type: dropdown
+  id: severity
+  attributes:
+    label: Severity
+    description: "The impact of the issue"
+    options:
+        - Critical: Broken applications
+        - High: Blocker to building
+        - Medium: Frustrating UX
+        - Low: Inconsistent UI/UX
+  validations:
+    required: true
 - type: input
   id: video
   attributes: