Add template for reporting test failures (#31738)

Author: captainsafia

.github/ISSUE_TEMPLATE/50_test_failure.md

@@ -0,0 +1,26 @@
+---
+name: Test failure
+about: Report a failing test that needs to be quarantined
+title: ''
+labels: test-failure
+assignees: ''
+
+---
+
+## Error Message
+
+<!--
+Provide the error message associated with the test failure, if applicable.
+-->
+
+## Stacktrace
+
+<!--
+Provide the stack trace associated with the test failure, if applicable.
+-->
+
+## Build
+
+<!--
+Provide a link to the build where the test failure occurred.
+-->