chore: add Plane sync label to github templates #8303

Co-authored-by: Pushya Mitra Thiruvooru <pushya@Pushyas-MacBook-Pro.local>

.github/ISSUE_TEMPLATE/--bug-report.yaml

@@ -1,7 +1,7 @@
 name: Bug report
 description: Create a bug report to help us improve Plane
 title: "[bug]: "
-labels: [🐛bug]
+labels: [🐛bug, plane]
 assignees: [vihar, pushya22]
 body:
 - type: markdown

.github/ISSUE_TEMPLATE/--feature-request.yaml

@@ -1,7 +1,7 @@
 name: Feature request
 description: Suggest a feature to improve Plane
 title: "[feature]: "
-labels: [✨feature]
+labels: [✨feature, plane]
 assignees: [vihar, pushya22]
 body:
 - type: markdown