Update and rename feature.md to feature.yaml

Signed-off-by: Bhargavkonidena <Bhargavkonidena@users.noreply.github.com>

.github/ISSUE_TEMPLATE/feature.md

@@ -1,10 +0,0 @@
----
-name: Feature request
-about: Suggest a new feature for the project
-labels: kind/feature
-
----
-
-**What is the feature and why do you need it**:
-
-**Describe the solution you'd like to see**:

.github/ISSUE_TEMPLATE/feature.yaml

@@ -0,0 +1,20 @@
+name: Enhancement Tracking Issue
+description: Provide supporting details for a feature in development
+labels: kind/feature
+body:
+  - type: textarea
+    id: feature
+    attributes:
+      label: What would you like to be added?
+      description: |
+        Feature requests are unlikely to make progress as issues.
+        A proposal that works through the design along with the implications of the change can be opened as a KEP.
+    validations:
+      required: true
+
+  - type: textarea
+    id: rationale
+    attributes:
+      label: Why is this needed?
+    validations:
+      required: true