Auto-label new bugs/crashes with 'needs triage' (#43658)

Release Notes:

- N/A

.github/ISSUE_TEMPLATE/1.bug-report.yml

@@ -1,6 +1,7 @@
 name: Report an issue
 description: Report an issue with Zed.
 type: Bug
+labels: "state:needs triage"
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/2.crash-report.yml

@@ -1,6 +1,7 @@
 name: Report a crash
 description: Zed is crashing or freezing or hanging.
 type: Crash
+labels: "state:needs triage"
 body:
   - type: textarea
     attributes: