Add 'I am a part of gssoc26' checkbox to feature request

Author: Adez017

.github/ISSUE_TEMPLATE/Create feature_request.yml

@@ -59,3 +59,5 @@ body:
           required: true
         - label: "I want to work on this issue"
           required: false
+        - label: "I am a part of gssoc26"
+          required: true