chore: add issue types and missing label to issue templates (npmx-dev#2544)

Author: mootari

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,5 +1,7 @@
 name: "\U0001F41E Bug report"
 description: Create a report to help us improve npmx
+type: bug
+labels: ['pending triage']
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,5 +1,6 @@
 name: '🚀 Feature request'
 description: Suggest a feature that will improve npmx
+type: feature
 labels: ['pending triage']
 body:
   - type: markdown