misc: add need-triage label as soon as the issue opens

.github/ISSUE_TEMPLATE/bug.yaml

@@ -1,7 +1,7 @@
 name: "🐛 Bug Report"
 description: "Submit a bug report to help us improve"
 title: "Bug: "
-labels: [bug]
+labels: ["bug", "needs-triage"] 
 assignees: ["prakarsh-dt","vikramdevtron"]
 projects: ["Devtron Features Prioritization"]
 body:

.github/ISSUE_TEMPLATE/documentation.yaml

@@ -2,7 +2,7 @@ name: "📚 Documentation"
 description: "Report an issue related to documentation"
 assignees: ["ashokdevtron","prakarsh-dt"]
 title: "Doc: "
-labels: [documentation]
+labels: ["documentation", "needs-triage"]
 projects: ["Devtron Features Prioritization"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/feature.yaml

@@ -1,7 +1,7 @@
 name: 🚀 Feature
 description: "Submit a proposal for a new feature"
 title: "Feature: "
-labels: ["enhancement"]
+labels: ["enhancement", "needs-triage"]
 assignees: ["prakarsh-dt","nishant-d","abhibhaw"]
 projects: ["Devtron Features Prioritization"]
 body: