chore: update issue templates for new workflow. (#3145)

Author: ajredniwja

.github/ISSUE_TEMPLATE/---bug-report.md

@@ -2,7 +2,7 @@
 name: "\U0001F41B Bug report"
 about: Create a report to help us improve
 title: ''
-labels: bug report
+labels: bug, needs-triage
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/---questions---help.md

@@ -2,7 +2,7 @@
 name: "\U0001F4AC Questions / Help"
 about: If you have questions, please check AWS Forums or StackOverflow
 title: ''
-labels: guidance
+labels: guidance, needs-triage
 assignees: ''
 
 ---