Update and rename sample_issue_report to sample_issue_report.yml

.github/ISSUE_TEMPLATE/sample_issue_report.yml

@@ -45,6 +45,8 @@ body:
       description: |
         Provide a description of the expected behavior.
       placeholder: Expected behavior
+    validations:
+      required: false
   - type: textarea
     id: actual-behavior
     attributes:
@@ -52,6 +54,8 @@ body:
       description: |
         Provide a description of the actual behavior observed. If applicable please include any error messages, exception stacktraces or memory dumps.
       placeholder: Actual behavior
+    validations:
+      required: false
   - type: textarea
     id: repro-steps
     attributes:
@@ -59,6 +63,8 @@ body:
       description: |
         Please include minimal steps to reproduce the problem if possible. E.g.: the smallest possible code snippet; or a small project, with steps to run it. If possible include text as text rather than screenshots (so it shows up in searches).
       placeholder: Minimal Reproduction
+    validations:
+      required: false
   - type: textarea
     id: environment
     attributes: