Change 'I am a part of gssoc26' to not required

Author: Adez017

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -51,4 +51,4 @@ body:
         - label: "I want to work on this issue"
           required: false
         - label: "I am a part of gssoc26"
-          required: true
+          required: false