Add more versions to BC template

Author: gewarren

.github/ISSUE_TEMPLATE/breaking-change.yaml

@@ -20,15 +20,14 @@ body:
       label: Version
       description: What version of .NET introduced the breaking change?
       options:
-        - .NET 8 Preview 6
-        - .NET 8 Preview 7
-        - .NET 8 RC 1
-        - .NET 8 RC 2
         - .NET 8 GA
-        - .NET 9 Preview 1
-        - .NET 9 Preview 2
-        - .NET 9 Preview 3
-        - .NET 9 Preview 4
+        - .NET 9 RC 1
+        - .NET 9 RC 2
+        - .NET 9 GA
+        - .NET 10 Preview 1
+        - .NET 10 Preview 2
+        - .NET 10 Preview 3
+        - .NET 10 Preview 4
         - Other (please put exact version in description textbox)
     validations:
       required: true