Fix bug reporting project versions (#1425)

## Which issue does this PR close?

- Closes #1414 .

## What changes are included in this PR?

Add 0.5.1

## Are these changes tested?

No, trivial

Author: liurenjie1024

.github/ISSUE_TEMPLATE/iceberg_bug_report.yml

@@ -28,7 +28,8 @@ body:
       description: What Apache Iceberg Rust version are you using?
       multiple: false
       options:
-        - 0.4.0 (latest version)
+        - 0.5.1 (latest version)
+        - 0.4.0
         - 0.3.0
         - 0.2.0
     validations: