Add "Needs: Triage" label to issues opened through forms

We used to have Fabric Bot add these labels, but it's gone now.

Author: andyleejordan

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,6 +1,6 @@
 name: 🐛 Bug report
 description: Open an issue about a bug that needs fixing.
-labels: Issue-Bug
+labels: ["Issue-Bug", "Needs: Triage"]
 body:
 - type: checkboxes
   attributes:

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,6 +1,6 @@
 name: ✨ Feature request
 description: Open an issue about a potential new feature or improvement.
-labels: Issue-Enhancement
+labels: ["Issue-Enhancement", "Needs: Triage"]
 body:
 - type: checkboxes
   attributes: