Add needs triage label to issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,7 +1,7 @@
 name: Bug Report
 description: File a bug report
 title: "<Please write what didn't work for you here>"
-labels: ["bug"]
+labels: ["bug", "needs triage"]
 body:
 - type: checkboxes
   id: read-troubleshooting-guide

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,7 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-labels: enhancement
+labels: ["enhancement", "needs triage"]
 title: ''
 assignees: ''
 ---