feat: Modernize boilerplate

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,4 +1,3 @@
-# Adapted from https://github.com/discordjs/discord.js/blob/main/.github/ISSUE_TEMPLATE/feature_request.yml
 name: Feature request
 description: Request a new feature
 labels: [feature request]
@@ -11,8 +10,7 @@ body:
     id: package
     attributes:
       label: Which part is this feature request for?
-      options:
-        - {{tree.parts}}
+      options: {{tree.parts}}
     validations:
       required: false
   - type: textarea
@@ -39,4 +37,4 @@ body:
     id: additional-context
     attributes:
       label: Other context
-      description: Any other context, screenshots, or file uploads that help us understand your feature request.
+      description: Any other context, screenshots, or file uploads that help us understand your feature request.