Update breaking-change.yaml

.github/ISSUE_TEMPLATE/breaking-change.yaml

@@ -20,9 +20,9 @@ body:
       label: Version
       description: What version of .NET introduced the breaking change?
       options:
-        - .NET 6 RC1
-        - .NET 6 RC2
-        - .NET 6 GA
+        - .NET 7 RC1
+        - .NET 7 RC2
+        - .NET 7
         - Other (please put exact version in description textbox)
     validations:
       required: true