Add needs-triage label to issue templates (#155)

Signed-off-by: Akshay Gaikwad <akgaikwad001@gmail.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug Report
 about: Report a bug or unexpected behavior
 title: ""
-labels: "new, bug"
+labels: "bug, needs-triage"
 assignees: ""
 ---
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature Request
 about: Request a new feature or improvement
 title: ""
-labels: "new, enhancement, feature"
+labels: "enhancement, feature, needs-triage"
 assignees: ""
 ---
 

.github/ISSUE_TEMPLATE/other.md

@@ -2,7 +2,7 @@
 name: Other
 about: Something else
 title: ""
-labels: "new"
+labels: "needs-triage"
 assignees: ""
 ---