Make feature request really a feature

It was assigned as "task" with label "enhancement". The label got
removed and type is now "feature".
I think this is more clear.

Author: tomschr

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,8 +1,7 @@
 name: Feature Request
 description: Suggest an idea or request a new feature.
-labels: [enhancement]
 assignees: [tomschr]
-type: task
+type: feature
 
 body:
   - type: markdown
@@ -33,4 +32,4 @@ body:
       label: Possible Implementation
       description: Do you have any ideas on how this could be implemented?
     validations:
-      required: false
+      required: false