chore: improve bug template labels for easier maintenance (#8141)

## Summary

Adjust labels in bug template to make our lives easier. No changelog :P

## Test plan

Tested on my fork: https://github.com/thymikee/jest/issues/new/choose

Author: thymikee

.github/ISSUE_TEMPLATE/bug.md

@@ -1,6 +1,6 @@
 ---
 name: 🐛 Bug report
-labels: ':bug: Bug'
+labels: Bug Report, Needs Triage, Needs Repro
 about: Create a report to help us improve
 ---