Update bug-report.yml

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -22,6 +22,8 @@ body:
 
 - type: input
   id: sample
+  validations:
+    required: true
   attributes:
     label: Sample
     description: |
@@ -29,8 +31,18 @@ body:
         
         Use the sample name or URL. We don't want to be spend all this time diagnosing issues about the wrong sample, do we?
 
-  validations:
-    required: false
+- type: input
+    validations:
+      required: true
+    attributes:
+      label: Authors
+      description: |
+        Because of the way this repository is configured, samples authors do not get a notification when you create an issue. 
+        
+        For the section above **@mention any author of the sample**. Authors' GitHub handle can be found on the main sample documentation page, under the "Solution" section. 
+        
+        Don't @mention the repo maintainers, they already get notified.
+
 - type: textarea
   id: what-happened
   attributes:
@@ -40,6 +52,7 @@ body:
     value: "A bug happened!"
   validations:
     required: true
+
 - type: dropdown
   id: version
   attributes: