Update issue templates for migration

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -2,28 +2,32 @@ name: Feature Request
 about: Suggest a feature for this library
 labels: feature request
 issue_body: true
-inputs:
+body:
   - type: input
     attributes:
       label: Summary
       description: >
         A short summary of what your feature request is.
+    validations:
       required: true
   - type: dropdown
     attributes:
+      multiple: false
       label: What is the feature request for?
-      required: true
-      choices:
+      options:
         - The core library
         - discord.ext.commands
         - discord.ext.tasks
         - The documentation
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: The Problem
       description: >
         What problem is your feature trying to solve?
         What becomes easier or possible when this feature is implemented?
+    validations:
       required: true
   - type: textarea
     attributes:
@@ -31,10 +35,12 @@ inputs:
       description: >
         What is your ideal solution to the problem?
         What would you like this feature to do?
+    validations:
       required: true
   - type: textarea
     attributes:
       label: The Current Solution
       description: >
         What is the current solution to the problem, if any?
+    validations:
       required: false