docs: fix feature template (#372)

Author: Lightning00Blade

.github/ISSUE_TEMPLATE/02-feature.yml

@@ -2,7 +2,7 @@ name: Feature
 description: Suggest an idea for for chrome-devtools-mcp
 title: '<short description of the feature request>'
 type: 'Feature'
-label:
+labels:
   - enhancement
 body:
   - id: description