Fix multiline and numbering

Author: simonkurtz-MSFT

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -24,10 +24,11 @@ body:
     attributes:
       label: "To Reproduce"
       description: "Steps to reproduce the behavior."
-      placeholder: "1. Go to '...'
-        1. Click on '...'
-        1. Scroll down to '...'
-        1. See error"
+      placeholder: |
+        1. Go to '...'
+        2. Click on '...'
+        3. Scroll down to '...'
+        4. See error
     validations:
       required: true