chore: remove needs-triage label from bug template (#22679)

We now use Linear for Triaging

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.github/ISSUE_TEMPLATE/1-bug.yaml

@@ -1,7 +1,6 @@
 name: "🐞 Bug"
 description: "File a bug report."
 title: "bug: "
-labels: ["needs-triage"]
 type: "Bug"
 body:
   - type: checkboxes